Dissertationen zum Thema „Vital signs“
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Walcon, Erin Colleen. „Vital spaces/vital signs : young people, performance, identity and dialogue“. Thesis, University of Exeter, 2012. http://hdl.handle.net/10871/9785.
Der volle Inhalt der QuelleChandrasekaran, Vikram. „Measuring Vital Signs Using Smart Phones“. Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc33139/.
Der volle Inhalt der QuelleYang, Fan. „Object Detection for Contactless Vital Signs Estimation“. Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/42297.
Der volle Inhalt der QuelleJohnson, Kimberly D. „Patients’ Vital Signs and the Length of Time between the Monitoring of Vital Signs during Times of Emergency Department Crowding“. Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1301014586.
Der volle Inhalt der QuelleBerelowitz, Jonathan. „The development of a neonatal vital signs database“. Master's thesis, University of Cape Town, 1992. http://hdl.handle.net/11427/26607.
Der volle Inhalt der QuelleRoald, Nikolai Grov. „Estimation of Vital Signs from Ambient-Light Non-Contact Photoplethysmography“. Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elektronikk og telekommunikasjon, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-20869.
Der volle Inhalt der QuelleTariq, Abubakar. „Vital signs monitoring using Doppler radar and on-body antennas“. Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4332/.
Der volle Inhalt der QuelleCollin, Frida. „Recognising deterioration: nurses’documentation of vital signs–a systematic literature review“. Thesis, Örebro universitet, Institutionen för medicinska vetenskaper, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-90274.
Der volle Inhalt der QuelleGasser, William W. „Using five vital signs of spiritual health to evaluate churches“. Theological Research Exchange Network (TREN), 1999. http://www.tren.com.
Der volle Inhalt der QuelleRusson, Ryan K. „Computerized Measurement of Psychological Vital Signs in a Clinical Setting“. [Tampa, Fla. : s.n.], 2003. http://purl.fcla.edu/fcla/etd/SFE0000097.
Der volle Inhalt der QuelleSekak, Fatima. „Microwave radar techniques and dedicated signal processing for Vital Signs measurement“. Thesis, Université de Lille (2018-2021), 2021. https://pepite-depot.univ-lille.fr/LIBRE/EDENGSYS/2021/2021LILUN033.pdf.
Der volle Inhalt der QuelleIn the context of securing transportation systems, short-range monitoring of people's activity, in particular the driver's activity in a vehicle, is a major issue in the improvement of the driver assistance system. The application targeted in this work concerns mainly the railway domain.Respiratory and heart rates of the driver are key indicators for the evaluation of the physiological state. Conventional methods of measuring these vital signs rely on sensors operating in direct contact with the skin. Therefore, the intrusive character of these solutions is not suited for the transportation domain, especially because of the induced discomfort. In this work, a microwave radar solution operating at low power is proposed for the continuous measurement of respiratory and cardiac activity signals. In particular, physiological signals (heartbeat, mechanical movement of the rib cage) are indicators of human activity that can be detected at a distance (up to ten meters) using radiated microwave electromagnetic waves.Although the literature shows a growing interest in the development of radar techniques dedicated to the surveillance of people, there is no robust, sensitive and accurate commercial device available to date. A detailed analysis of the electrical and geometrical parameters of the radar technique is proposed in this work in order to identify the sources of uncertainties, to define the optimal parameters, to validate experimentally the proposed solution. An original signal processing, based on the cyclostationary approach, is implemented in order to extract the parameters of interest in reference or disturbed measurement environments. The proposed hardware solutions associated with an optimal signal processing allow to foresee radar architectures adapted to non-laboratory contingencies
Babar, Ayesha, und Carine Kanani. „Monitoring of Vital Signs Parameters with ICTs : A Participatory Design Approach“. Thesis, Linnéuniversitetet, Institutionen för informatik (IK), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-97030.
Der volle Inhalt der Quellede, Mander Jessica, und Jonathan Danielson. „Modified Early Warning Score bland onkologiska patienter innan dödsfall“. Thesis, Uppsala universitet, Institutionen för folkhälso- och vårdvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-215577.
Der volle Inhalt der QuelleBackground: Modified Early Warning Score, MEWS, is a scoring system (0-17 points) for assessment of patients’ vital signs. The function of MEWS is to detect deteriating patients at an early stage, and being able to put in adequate treatment before their physical condition worsens. The benefits from using MEWS on oncology patients have so far been researched to small extent. A study from 2012 indicates that MEWS is not an effective tool for detecting deteriation in oncology patients. Objective: To research if oncology patients have scores 0-17 on MEWS measurements the week before they are deceased. The writers also intend to research which certain parameters within MEWS caused higher overall scores, and lastly whether there are any differences in scores between men and women. Methods: A retrospective review of medical records was performed on a total of 104 MEWS measurements belonging to 70 deceased patients. Results: The main results show an average MEWS of 2,99 points during the last week of the patients’ lives. Respiratory rate was the variable within MEWS to cause elevated scores (≥1) most often. The average MEWS increased from 3,13 points the seventh day before death to 8 points the last day before death, but due to the low frequency of measurements from the last day of the patients’ lives, it is not possible to make any assumptions based on these results. Furthermore, the initial loss of patients meeting the inclusion criteria was substantial due to low prevalence of registered MEWS. Conclusion: The results indicate that MEWS is not used on oncology patients to a great extent. It is not, however, possible to determine whether MEWS is a relevant assessment tool in care of oncology patients, and further research is therefore needed.
Myrsten, Erik. „Datoriserad screening av barns neurokognitiva funktion: Validering av testbatteriet CNS Vital Signs“. Thesis, Stockholm University, Stockholm University, Department of Psychology, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-36852.
Der volle Inhalt der QuelleYien, Chris Tak Ming. „Vital signs monitoring for a patient data management system in an ICU“. Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69721.
Der volle Inhalt der QuelleThe Vital Signs Monitoring System was developed in C language under the Presentation Manager window environment, and the operating system environment is OS/2 version 2.0.
Orrie, Orika. „Smartphone application architecture and security for patient vital signs sensors and indicators“. Diss., University of Pretoria, 2005. http://hdl.handle.net/2263/66235.
Der volle Inhalt der QuelleDissertation (MEng)--University of Pretoria, 2016.
Electrical, Electronic and Computer Engineering
MEng
Unrestricted
Stevenson, Jean E. „Documentation of vital signs in electronic health records : a patient safety issue“. Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/12704/.
Der volle Inhalt der QuellePullon, Rebecca. „Monitoring and analysis of antenatal and postnatal changes in maternal vital signs“. Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:c0992a87-29f1-40cc-8ff0-368cd1944bc9.
Der volle Inhalt der QuelleQuinn, Colin Patrick. „Vital signs : costly signaling and personal adornment in the near eastern early neolithic“. Online access for everyone, 2006. http://www.dissertations.wsu.edu/Thesis/Fall2006/c_quinn_121106.pdf.
Der volle Inhalt der QuelleNovak, Timothy S. „Vital Signs of U.S. Osteopathic Medical Residency Programs Pivoting to Single Accreditation Standards“. Thesis, University of South Florida, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10690580.
Der volle Inhalt der QuelleOsteopathic physician (D.O.) residency programs that do not achieve accreditation under the new Single Accreditation System (SAS) standards by June 30, 2020 will lose access to their share of more than $9,000,000,000 of public tax dollars. This U.S. Centers for Medicare & Medicaid Services (CMS) funding helps sponsoring institutions cover direct and indirect resident physician training expenses. A significant financial burden would then be shifted to marginal costs of the residency program’s sponsoring institution in the absence of CMS funding. The sponsoring institution’s ability or willingness to bare these costs occurs during a time when hospital operating margins are at historic lows (Advisory.com /Daily Briefing /May 18, 2017 | The Daily Briefing / Hospital profit margins declined from 2015 to 2016, Moody's finds). Loss of access to CMS funding may result in potentially cataclysmic reductions in the production and availability of primary care physicians for rural and urban underserved populations. Which osteopathic residency programs will be able to survive the new accreditation requirement changes by the 2020 deadline? What are some of the defining attributes of those programs that already have achieved “initial accreditation” under the new SAS requirements? How can the osteopathic programs in the process of seeking the new accreditation more effectively “pivot” by learning from those programs that have succeeded? What are the potential implications of SAS to both access and quality of health care to millions of Americans? This report is based upon a study that examined and measured how osteopathic physician residency programs in the U.S. are accommodating the substantive structural, financial, political and clinical requirements approximately half way through a five-year adaptation period. In 2014, US Graduate Medical Education (GME) physician program accreditation systems formally agreed to operate under a single accreditation system for all osteopathic (D.O) and allopathic (M.D.) programs in the U.S. Since July 1, 2015, the American Osteopathic Association (AOA) accredited training programs have been eligible to apply for Accreditation Council for Graduate Medical Education (ACGME) accreditation. This agreement to create a Single Accreditation System (SAS) was consummated among the AOA, the American Association of Colleges of Osteopathic Medicine (AACOM) and ACGME with a memorandum of understanding. As this research is published, the ACGME is transitioning to be the single accreditor for all US GME programs by June 30, 2020. At that time, the AOA would fully relinquish all its GME program accreditation responsibilities. The new SAS operates under published ACGME guidelines and governance. Business policy and health care resource allocation question motivated this research. Failure of osteopathic programs to “pivot” to the new standards could result in fewer licensed physicians being produced in the high demand primary care field. Potential workforce shortage areas include urban and especially rural populations (CRS Report 7-5700 R44376 Feb 12, 2016). Large physician shortages already have been projected to care for a rapidly aging US population without considering the impact of the GME accreditation changes currently underway (Association of American Medical Colleges 2017 Key Findings report www.aamc.org/2017projections). The goal of this research is to provide osteopathic GME programs practical insights into characteristics of a sample of osteopathic GME programs that have successfully made the “pivot” into SAS requirements and been accredited by ACGME and those that have not. The study seeks to better understand the experiences, decisions, challenges and expectations directly from osteopathic programs directors as they strive to meet the realities of the new SAS requirements. Do programs that are already accredited differ significantly from those that have not? How do characteristics such as program size, geographic locations, clinical program components, program sponsor structure, number and experience of faculty and administration, cost planning and perceived benefits of the movement to SAS factor into successfully meeting the new requirements before the 2020 closing date? A cross-sectional research survey was designed, tested and deployed to a national sample of currently serving osteopathic GME program directors. The survey elicited data about each program’s “pivot” from AOA GME accreditation practices and guidelines to the new Single Accreditation System (SAS). The survey instrument was designed to obtain information about patterns in osteopathic GME program curricula, administrative support functions, faculty training, compliance requirements and program director characteristics shared by those programs that have been granted “initial accreditation” by the Accreditation Council for Graduate Medical Education (ACGME) who administer SAS. Thirty five (35) osteopathic GME program directors responded to the 26 question survey in June 2017. Descriptive statistics were applied and central tendency measures determined. The majority of survey respondents were Doctors of Osteopathic Medicine (D.O.s) from specialty residency programs sponsoring an average of 16 residents. (Abstract shortened by ProQuest.)
Pitts, David Geoffrey. „The design and evaluation of discrete wearable medical devices for vital signs monitoring“. Thesis, Cranfield University, 2015. http://dspace.lib.cranfield.ac.uk/handle/1826/10298.
Der volle Inhalt der QuelleKnutsson, Fröjd Lisa, und Marika René. „Mobile documentation of vital signs : A Participatory Design project at a Swedish hospital“. Thesis, Linnéuniversitetet, Institutionen för informatik (IK), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-48997.
Der volle Inhalt der QuelleKalvér, Henrik. „Quai-Passive 5.8 GHz Front-End Design and Implementation for Vital Signs Detection“. Thesis, Linköpings universitet, Fysik och elektroteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-146270.
Der volle Inhalt der QuelleHolzhausen, Rudolf. „A clinical patient vital signs parameter measurement, processing and predictive algorithm using ECG“. Thesis, Brunel University, 2011. http://bura.brunel.ac.uk/handle/2438/6466.
Der volle Inhalt der QuelleConte, Ermanna. „Multiuser MIMO downlink systems with limited feedback and remote sensing of vital signs“. Doctoral thesis, Università degli studi di Padova, 2010. http://hdl.handle.net/11577/3422366.
Der volle Inhalt der QuelleQuesta tesi di dottorato raccoglie i contributi principali dell'attività di ricerca svolta durante i tre anni del mio percorso di dottorato. Come suggerisce il titolo, l'attivita' di ricerca condotta in questo triennio è divisa in due parti principali. La prima riguarda l'argomento di ricerca che ho seguito sin dall'inizio sui sistemi di downlink Multiuser MIMO con feedback limitato; è parte di un ampio filone di ricerca finalizzato alla progettazione della quarta generazione di sistemi cellulari, e piu' in generale di futuri sistemi di comunicazioni wireless con terminali mobili. In particolare, i miei studi si sono concentrati sui sistemi cellulari in cui le stazioni base sono provviste di antenne multiple; la presenza di piu' antenne alla stazioni base fornisce dei gradi di liberta' nelle comunicazioni di downlink, ovvero nelle comunicazioni dalla stazioni base ai terminali mobili, che possono essere utilizzati per servire piu' di un utente simultaneamente e ottenere un rate piu' elevato rispetto al caso singola antenna. A tal fine e' pero' necessario fornire alla stazioni base la conoscenza dei canali di downlink per ciascuno degli utenti che intende servire; tanto piu' fine e' la stima del canale in possesso della stazioni base, tanto maggiore e' il rate raggiungibile in questo schema di downlink. La progettazione di strategie di feedback, con cui i terminali trasmettono su un canale dedicato informazioni sul canale di downlink alla stazioni base e' quindi un aspetto di grande interesse, essendo il canale di feedback a rate limitato (dell'ordine di qualche bit/simbolo). In particolare, mi sono occupata della scelta del quantizzatore e delle strategie di feedback che tenessero conto della correlazione temporale del canale. All'inizio del triennio (gennaio 2007) la maggior parte delle analisi teorica era stata sviluppata; di conseguenza, il mio lavoro è incentrato sull'ottimizzazione dei parametri del sistema, tenendo conto delle limitate risorse disponibili in uno scenario realistico. I contributi principali riguardano la progettazione del canale di feedback a rate limitato e algoritmi di scheduling subottimi a bassa complessità, sia per sistemi single carrier che in uno scenario OFDM. In particolare, i contributi riguardanti la progettazione del canale di feedback a rate limitato traggono vantaggio dalla correlazione temporale del canale, utilizzando sistemi di quantizzazione con memoria. E' stato inoltre proposto un algoritmo di scheduling a bassa complessita', e si sono studiate le prestazioni in confronto con i principali algoritmi presenti in letteratura. Tale confronto evidenzia che a parita' di condizioni, l'algoritmo da noi proposto e' caratterizzato da prestazioni analoghe alle altre soluzioni e molto vicine all'ottimo, sia in termini di throughput che di outage throughput, ma con una minor complessita'. La seconda e più recente parte della tesi affronta l'argomento della stima di segnali vitali, ovvero la respirazione e il battito cardiaco, attraverso un sistema remoto, dove non c'e' contatto tra il sensore ed il target a distanza. Questo argomento e' stato affrontato, in collaborazione con Philips Research, Eindhoven (NL), dove sono stata come Visiting Student da ottobre 2008 a maggio 2009. Ho studiato la tecnologia ultra wide band per il rilevamento remoto dei segni vitali, con il vincolo di rispettare i limiti di potenza imposti dalla legislazione vigente. Lo studio e' stato condotto sia analiticamente, che tramite simulazioni, ed infine attraverso l'allestimento di una demo e la raccolta di risultati sperimentali. In particolare, ho proposto un modello generico per il segnale ricevuto e descritto analiticamente la modulazione che i segnali vitali operano sui principali parametri del segnale ricevuto. Sulla base di questo modello, ho studiato le tecniche di rilevazione del respiro e del cuore periodi di battere; in particolare, ho proposto un metodo di stima del periodo a bassa complessita', che migliora le prestazioni di altre soluzioni proposte in letteratura, sia in termini di errore quadratico medio che di complessita' richiesta. Infine, è stato derivato lo stimatore maximum likelihood (ML), ed è stato verificato che il metodo proposto risulta da un'approssimazione del metodo ML.
Bobbia, Serge. „Vers le développement d'un capteur photoplétysmographique sans contact“. Thesis, Bourgogne Franche-Comté, 2019. http://www.theses.fr/2019UBFCK003/document.
Der volle Inhalt der QuelleHeart-rate estimation performed with remote photoplethysmography is a very active research field. Since pioneer works in 2010, which demonstrated the feasibility of the measure with low-grade consumers’ camera (webcam), the number of scientific publications have increased significantly in the domain. Hence, we observe a multiplication of the methods in order to retrieve the photoplethysmographic signal which has led to an increased precision and quality of the heart-rate estimation. Region of interest segmentation is a key step of the processing pipeline in order to maximize the quality of the measured signal. We propose a new method to perform remote photoplethysmographic measurement using an implicit living skin identification method. Hence, we have shown that our approach lead to an improvement in both quality of the signal measured and precision of the heart-rate estimation by favoring more contributive area. As we are working with hardware integration constraint, we propose a new superpixels segmentation method which requires significantly less computation power than state of the art methods by reducing the algorithmic complexity of this step. Moreover, we have demonstrated the integration and real time capabilities by implementing our solution to an embedded device. All of our proposed method have been evaluated through different experimentations. Our new segmentation method, called IBIS, have been compared to state of the art methods to quantify the quality of the produced segmentation. To quantify the impact of our approach on the quality of the photoplethysmographic measure, we have implemented and compared state of the art methods with our proposed method. For both the superpixels segmentation and remote heart-rate estimation, our methods have shown great results and advantages compared to state of the art ones. Our works have been reviewed by the scientific community through several conference presentations and journal publications
Zeitz, Kathryn. „Post-operative observations, ritualised or vital in the detection of post-operative complications“. Title page, contents and abstract only, 2003. http://web4.library.adelaide.edu.au/theses/09PH/09phz483.pdf.
Der volle Inhalt der QuelleLee, Y. D. (Young-Dong). „Wireless vital signs monitoring system for ubiquitous healthcare with practical tests and reliability analysis“. Doctoral thesis, Oulun yliopisto, 2010. http://urn.fi/urn:isbn:9789514263880.
Der volle Inhalt der QuelleOesch, Martha Elizabeth. „Bedpans, vital signs, and meds : hospital restructuring and the skill polarization of nursing work“. Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/69267.
Der volle Inhalt der QuelleVasini, Fabio. „Integration of Internet of Things and Cloud computing. A case study on vital signs monitoring“. Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10204/.
Der volle Inhalt der QuelleFleming, Susannah. „Measurement and fusion of non-invasive vital signs for routine triage of acute paediatric illness“. Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:840d94b0-041f-4b15-8b37-c2e37c999f3e.
Der volle Inhalt der QuelleGozzi, Svensson Viktoria, und Sofia Sundbom. „Kartläggning av Modified Early Warning Score (MEWS) hos patienter med kirurgiska åkommor“. Thesis, Uppsala universitet, Institutionen för folkhälso- och vårdvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-202741.
Der volle Inhalt der QuelleABSTRACT Background: Patients with surgical conditions are complex, since many patients have various medical diagnoses besides their surgical condition. Apart from complicating care and treatment, this makes it difficult to detect deterioration in the patient's condition. In order to assess the patient's condition, objective and easily measurable parameters are preferably used. A scoring system, the Modified Ear ly Waming Score, MEWS, was developed in the early 1990s and based on some ofthe patient's vital functions: respiratory rate, heart rate, systolic blood pressure, body temperature, alertness/awareness and urine output. The result varies between 0 and 17, with 0 demonstrating normal vital functions. Objective: To describe the distribution of MEWS scores for emergency patients with surgical condi tions in two surgical wards at a university hospital in Sweden, and to examine what actions had been taken based on the MEWS scores. Methods: A retrospective review was performed on MEWS measurements and medical records for 94 patients. Results: In total, 229 MEWS measurements had been performed, ofwhich 76 were taken on arrival at the ward, and the remaining 153 <luring the continued hospitalization. The number ofMEWS measurements per patient ranged from 1 to 31. Nineteen actions, based on MEWS scores, related the nursing professions were found, with the administration of painkillers and repeated checks ofthe pa tient's vital functions, being the two most common. Twenty-two medical procedures, based on MEWS scores, were identified, where sampling for bacterial cultures or prescribing extra intravenous fluid were the most frequent. No patient was transferred toa higher level of care because of their MEWS score. Conclusion: MEWS measurements were performed in 85% of the patients and the median result was 1 of maximum 17. Different actions, related the nursing or medical profession, were taken at a me dian result of 4. No patient was transferred toa higher level of care. The most common actions were administration of painkillers, repeated checks ofthe patient's vital functions, sampling for bacterial cultures and prescribing extra intravenous fluid
Tram, Susan, und Sara Sundvik. „Musikens påverkan på postoperativ smärta“. Thesis, Uppsala universitet, Institutionen för folkhälso- och vårdvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-397030.
Der volle Inhalt der QuelleBackground: Approximately 740,000 surgical procedures are performed every year in Sweden, resulting in postoperative pain. Postoperative pain is a type of acute tissue injury that is experienced as a result of a surgical procedure. If not treated properly, postoperative pain can result in chronic pain, worsened quality of life and increased mortality. Music therapy is a cheap non-pharmacological method without side-effects that could be implemented in healthcare as a complement to traditional treatment, to alleviate postoperative pain and increase the well-being of patients. Purpose: To investigate the impact music has on post-operative pain and the physiological reactions that arise from postoperative pain. Method: A descriptive literature study using quantitative methods. The search for articles was done in the database of PubMed and CINAHL with the help of MeSH generated terms. Eleven original articles were included in this study, whereas one of them were excluded later on by not passing the criteria of the quality control. Results: Seven out of ten studies showed that music reduced the pain intensity in patients that had undergone either thoracic- or abdominal surgery. No clear influence on physiological reactions could be seen postoperatively. Conclusion: Music can be used as a complementary treatment to conventional care, to reduce the pain intensity of postoperative patients, and to have patients partake more in their treatment. Since music is cheap och does not involve any side-effect, it can be involved as a analgesic complementary method in society as well as in hospitals. Though more research is needed to see if music has an impact on the physiological responses resulting from pain.
Shah, Syed Ahmar. „Vital sign monitoring and data fusion for paediatric triage“. Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:80ae66e3-849b-4df1-b064-f9eb7530200d.
Der volle Inhalt der QuelleMikhelson, Ilya V. „Real-Time Detection and Tracking of Vital Signs with an Ambulatory Subject Using Millimeter-Wave Interferometry“. Thesis, Northwestern University, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3595683.
Der volle Inhalt der QuelleFinding a subject's heart rate from a distance without any contact is a difficult and very practical problem. This kind of technology would allow more comfortable patient monitoring in hospitals or in home settings. It would also allow another level of security screening, as a person's heart rate increases in stressful situations, such as when lying or hiding malicious intent. In addition, the fact that the heart rate is obtained remotely means that the subject would not have to know he/she is being monitored at all, adding to the efficacy of the measurement.
Using millimeter-wave interferometry, a signal can be obtained that contains composite chest wall motion made up of component motions due to cardiac activity, respiration, and interference. To be of use, these components have to be separated from each other by signal processing. To do this, the quadrature and in-phase components of the received signal are analyzed to get a displacement waveform. After that, processing can be done on that waveform in either the time or frequency domains to find the individual heartbeats. The first method is to find the power spectrum of the displacement waveform and to look for peaks corresponding to heartbeats and respiration. Another approach is to examine the signal in the time domain using wavelets for multiresolution analysis. One more method involves studying the statistics of the wavelet-processed signal. The final method uses a heartbeat model along with probabilistic processing to find heartbeats.
For any of the above methods to work, the millimeter-wave sensor has to be accurately pointed at the subject's chest. However, even small subject motions can render the rest of the gathered data useless as the antenna may have lost its aim. To combat this, a color and a depth camera are used with a servo-pan/tilt base. My program finds a face in the image and subsequently tracks that face through upcoming frames. The pan/tilt base adjusts the aim of the antenna depending on the subject's position. This makes the entire system self-aiming and also allows the subject to move to a new location and to have data acquisition continue.
Tang, Fohai. „A Mobile System for Vital Sign’s Data Collection and Data Presentation“. Thesis, Högskolan Kristianstad, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-9369.
Der volle Inhalt der QuelleBruijns, Stevan Raynier. „From anxiety to haemorrhage : describing the physiological effects that confound the prognostic inferences of vital signs in injury“. Doctoral thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/2855.
Der volle Inhalt der QuelleHedlund, Dykiel Carolina, und Victoria Rehnberg. „Betydelsen av vitalparametrar vid bedömning av patienters tillstånd“. Thesis, Sophiahemmet Högskola, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:shh:diva-4011.
Der volle Inhalt der QuelleAssessing the patient's vital signs (respiratory rate, blood pressure, pulse, body temperature, saturation, and level of consciousness) is a responsibility assigned to the registered nurse within the emergency care chain. Previous research has shown that early identification of deteriorating patients reduces both mortality and morbidity. To enhance patient safety and well-being, it is vital that the registered nurse performs evidence-based and secure assessments of the patient. The aim of this study was to explore the factors that influence the nurse’s assessments of vital signs to early detect patient deterioration within emergency care. The research method used was a literature review with a systematic approach, using database searches in PubMed and CINAHL. Sixteen original articles with the main focus of examining registered nurses’ assessments of vital signs within emergency care was chosen from the database searches and manual searches. The quality of the studies was then examined, and an integrated analysis was performed. The result of the analysis show that assessment of vital signs performed by registered nurses was affected by factors contributed to the nurse, the patient, and the organization as a whole. When it comes to the factors found contributed to affect the registered nurses, these factors were found to be, approach to vital signs, assessment of frequency, knowledge and experience, intuition, comprehensive picture, and deviations from the established routine. For the factors contributed by the patient, specific patient groups were regarded as more difficult to assess due to underlying diseases or age. The organisational factors seen affecting the nursing assessment were the work environment, teamwork/communication, continuity in the care and the evaluation tools at hand. In conclusion, the results show that this is a complex subject that is affected by several factors contributed to the registered nurse, patient, and the organization. Even though vital signs are an important tool to identify changes in a patient’s well-being and safety, the registered nurse does not always utilize this as a tool. This study could not conclude any clear explanation as to why assessing vital signs was not used more often and will require further studies and analysis to determine an answer.
Leonard, Martha Maria. „A description of final year nursing students' ability to recognize abnormal vital signs recordings and clinical decision-making process“. Master's thesis, University of Cape Town, 2014. http://hdl.handle.net/11427/6663.
Der volle Inhalt der QuelleIncludes bibliographical references.
The aim of this study was to determine whether final year nursing students can recognize and respond to abnormal vital sign recordings, and to analyse their clinical decision-making processes.
Lewandowski, J. „Mobile application of artificial intelligence to vital signs monitoring : multi parametric, user adaptable model for ubiquitous well-being monitoring“. Thesis, Coventry University, 2014. http://curve.coventry.ac.uk/open/items/fc80e93c-1a7e-419d-84c7-eaed12d4a953/1.
Der volle Inhalt der QuelleDall'Ora, Chiara. „The association of nurses' shift characteristics, missed vital signs observations and sickness absence : retrospective observational study using routinely collected data“. Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/417870/.
Der volle Inhalt der QuelleKyriacos, Una. „The development, validation and testing of a vital signs monitoring tool for early identification of deterioration in adult surgical patients“. Doctoral thesis, University of Cape Town, 2011. http://hdl.handle.net/11427/11688.
Der volle Inhalt der QuelleRabbani, Muhammad Saqib. „Microstrip antenna design with improved fabrication tolerance for remote vital signs monitoring and WLAN/WPAN applications at mm-wave and THz frequencies“. Thesis, University of Birmingham, 2018. http://etheses.bham.ac.uk//id/eprint/8091/.
Der volle Inhalt der QuelleBarnett, Jared Joshua Anucha. „Weighing the Importance of Vital Signs in the Evaluation of Alcohol Withdrawal in Multiple Ethnicities When Employing the Clinical Institute Withdrawal Assessment“. Thesis, The University of Arizona, 2012. http://hdl.handle.net/10150/271614.
Der volle Inhalt der QuelleHammarqvist, Pia. „Att bedöma vitalparametrar inom akutsjukvård : en kvantitativ enkätstudie om sjuksköterskans bedömning“. Thesis, Sophiahemmet Högskola, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:shh:diva-1938.
Der volle Inhalt der QuelleSimões, Rafael. „Remote vital signs monitoring: user's guide“. Master's thesis, 2008. http://hdl.handle.net/10316/12317.
Der volle Inhalt der QuelleLin, Li-Min, und 林立民. „A PDA-Based Vital Signs measurement System“. Thesis, 2010. http://ndltd.ncl.edu.tw/handle/58687323628714070368.
Der volle Inhalt der Quelle國立中央大學
電機工程研究所
98
Human life gets longer as time goes by that leads to aging of population structure. Taking good care of aged persons and reducing health care costs become very important issues. Home care is a solution to deal with these issues. The purpose of this study is to develop vital signs measurement platform by using a personal digital assistant (PDA) whose operation system is Windows Mobile 5.0. This system lets user measure vital signs and save data conveniently, and therefore reduces health care costs. The vital signs that were measured in this study are: electrocardiography, pulse, blood pressure and body temperature signals. These analog vital signs were converted into digital signals with a microprocessor; the digitized data were then transmitted to a PDA by a Bluetooth module; finally a user interface on PDA was developed with Microsoft Visual Studio C# 2005. Users can read each vital sign on the screen of PDA at the same time and the system save these signals automatically. A cuff-less blood pressure estimation method was applied to our system to make the system easy to use in home care application.
Marçal, Tiago Alexandre da Silva. „Portable system for vital signs measurment - Firmware“. Master's thesis, 2007. http://hdl.handle.net/10316/12229.
Der volle Inhalt der QuelleNGUYEN, THI PHUONG NHAN. „Vital Signs Estimation using Doppler Radar Techniques“. Thesis, 2018. http://ndltd.ncl.edu.tw/handle/h23krr.
Der volle Inhalt der Quelle國立中正大學
電機工程研究所
106
Contactless detection of human body vital signs (respiration rate, heartbeat rate, and blood pressure) using a radar system has been a promising area for future research and clinical practice. In this paper, a continuous-wave 2.45 GHz Doppler radar is used for wirelessly measuring a) respiration rate and respiration inter-interval variation, b) heartbeat rate and heartbeat inter-interval variation, and c) the pulse wave transit time for blood pressure estimation. Both the autocorrelation and conventional Fast Fourier Transform (FFT) estimation algorithms are applied to the received radar signals for computing these vital signs in the time domain and frequency domain, respectively. The autocorrelation algorithm achieves the same accurate estimation of vital-sign inter-interval variation, compared with the MIT's segmentation method. The estimated pulse transit time, using traditional two-radars on heart and elbow simultaneously, indicates a relatively feasibility of blood pressure assessment based on 2.45 GHz radar. It is further shown in this thesis that our proposed single-radar on the elbow can detect the blood pressure assessment as accuracy as the two-radar technique.
Chen, Tsu-Yu, und 陳祖佑. „Breathing Power Generator for Emergency Vital Signs Monitoring“. Thesis, 2010. http://ndltd.ncl.edu.tw/handle/80066558069534133845.
Der volle Inhalt der Quelle中原大學
生物醫學工程研究所
98
Natural and man-made disasters have been greatly increased in the last few years, it also reveals how vulnerable is our high-tech society. Once lose the electrical power supply, many electronic medical equipments just stop working. Without emergency care facilities, medical care will go back to the ancient time. Therefore, a breathing powered electrical generator is developed in this study. Such a charging device might be helpful to health services in critical situations. This breathing electrical generator uses respiratory airflow to generate electric power. The airflow drives the turbine and the permanent magnet to generate rotation. The rotating magnet induces electrical current in surrounding coils. The alternative current flows through multiplier and rectifier to provide steady power supply for vital sign detectors. The breathing human power device was made by using rapid prototyping to reduce its size and weight, and a 20mW of electrical power was achieved. Since the electromagnetic power generator, flow chamber, and turbine still can be improved, more power is expected to generate by such a device in the future.