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Biotelemetry and patient monitoring最新文献

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Fish heart rate telemetry in the open sea using sector scanning sonar. 利用扇形扫描声纳遥测公海鱼类心率。
Biotelemetry and patient monitoring Pub Date : 1978-01-01
T J Storeton West, R B Mitson, M G Greer Walker
{"title":"Fish heart rate telemetry in the open sea using sector scanning sonar.","authors":"T J Storeton West,&nbsp;R B Mitson,&nbsp;M G Greer Walker","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Real time monitoring of heart rate from free-swimming fish in the open sea has been used in conjunction with high resolution sonar to track plaice and observed the variation in heart rate in relation to environmental parameters. The heart rate can be observed at the same time as the acoustic picture of the sea bed or the midwater volume of sea surrounding the fish.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"5 3","pages":"149-53"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11954442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Changeover policy to the use of SI (Système International) Units in Biotelemetry and Patient Monitoring. 在生物遥测和患者监测中使用SI(国际系统)单位的转变政策。
Biotelemetry and patient monitoring Pub Date : 1978-01-01
H P Kimmich
{"title":"Changeover policy to the use of SI (Système International) Units in Biotelemetry and Patient Monitoring.","authors":"H P Kimmich","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"5 4","pages":"165-6"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11955356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An inductively powered telemetry system for temperature, EKG, and activity monitoring. 用于温度、心电图和活动监测的感应供电遥测系统。
Biotelemetry and patient monitoring Pub Date : 1978-01-01
T B Fryer, G F Lund, B A Williams
{"title":"An inductively powered telemetry system for temperature, EKG, and activity monitoring.","authors":"T B Fryer,&nbsp;G F Lund,&nbsp;B A Williams","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An implant telemetry system for the simultaneous monitoring of temperature, activity, and EKG from small animals, such as rats, has recently been designed with the novel feature that instead of a battery the system is energized by an inductive field. A 250 kHz resonant coil surrounds the cage (30 X 30 X 20 cm) and provides the approximately 100 muW of power required to operate the implant transmitter while allowing the animal unrestrained movement in the cage. The implant can also be battery operated if desired RF transmission is in the 8-10 MHz band, which allows the use of a simple, essentially single IC chip, receiver.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"5 2","pages":"53-76"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11938075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PCM telemetry for physiological data. 生理数据的PCM遥测。
Biotelemetry and patient monitoring Pub Date : 1978-01-01
H J Volland
{"title":"PCM telemetry for physiological data.","authors":"H J Volland","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>PCM technology offers significant advantages in the application of telemetry to medical and physiological studies. The requirements for less complicated handling, standardized system layout, improvement of weight, size and power supply by commercial battery modules, as well as different wireless data links are met better by a PCM encoder which was specially developed for physiological applications. The advantages of PCM are illustrated in this paper by relating the experimental requirements to technical specifications for the elements of a telemetry link. A newly designed 8-channel PCM-telemetry system satisfying these requirements is described.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"5 4","pages":"182-92"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11955359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A microcomputer-based data acquisition and analysis system for CO2 rebreathing studies. 基于微机的CO2再呼吸研究数据采集与分析系统。
Biotelemetry and patient monitoring Pub Date : 1978-01-01
M Goegelman, B G Min, D R Donchin, W Welkowitz, T B Santiago, N H Edelman
{"title":"A microcomputer-based data acquisition and analysis system for CO2 rebreathing studies.","authors":"M Goegelman,&nbsp;B G Min,&nbsp;D R Donchin,&nbsp;W Welkowitz,&nbsp;T B Santiago,&nbsp;N H Edelman","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A real-time microcomputer-based data acquisition and analysis system has been developed to automate the measurement of the ventilatory response to CO2 by the rebreathing method. Previous systems acquire the data on-line and then analyze and display the results off-line. The system described here performs all processing on-line and displays experimental results in real-time. The results of 5 min of data acquisition are available for display only 1.5 sec after completion of the experiment. Immediate interpretation of the results of each experiment enable a series of related studies to be performed on the same patient in a short time period. The microcomputer is Digital Equipment Corporation's LSI-11, a low cost 16 bit machine with the basic instruction set of a PDP-11/40. The system has 16 kbytes of memory, a CRT for data display, and a paper tape reader for program loading. Due to the time constraints of real-time processing and the memory constraints of a small system, the software is written entirely in assembler language. The software includes routines for numeric and character input, line and graphical output, linear curve fitting, start of rise detection and floating point computations.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"5 4","pages":"193-205"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11955360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studies of water in biological systems by a pulsed NMR method. 1. Flow profile in a cylindrical tube. 用脉冲核磁共振方法研究生物系统中的水。1. 圆柱形管内的流动剖面。
Biotelemetry and patient monitoring Pub Date : 1978-01-01
K Fukuda, Y Imai, A Hirai
{"title":"Studies of water in biological systems by a pulsed NMR method. 1. Flow profile in a cylindrical tube.","authors":"K Fukuda,&nbsp;Y Imai,&nbsp;A Hirai","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Pulsed NMR experiments on water flowing through cylindrical tubes are discussed. Spin echo signals of proton nuclear spins in water molecules were detected RF (radio frequency) phase-sensitively in static magnetic field gradients which were superposed on a main magnetic field. Both the intensity and the RF phase of the spin echo signal depended upon the flow pattern. It is shown that the velocity distribution function was driven from the magnetic field gradient dependence of spin echo signals. Velocity distributions (or velocity profiles) of the fluid in a uniform cylindrical tube have been measured from the spin echo signals. The data on the flow behind a stenosis were widely different from the data on laminar flows.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"5 4","pages":"223-8"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11955362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ambulatory and in-hospital continuous recording of sleep state and cardiorespiratory parameters in 'near miss' for the sudden infant death syndrome and control infants. 婴儿猝死综合征和对照婴儿“差点错过”的门诊和住院连续记录睡眠状态和心肺参数
Biotelemetry and patient monitoring Pub Date : 1978-01-01
A C Cornwell, E D Weitzman, A Marmarou
{"title":"Ambulatory and in-hospital continuous recording of sleep state and cardiorespiratory parameters in 'near miss' for the sudden infant death syndrome and control infants.","authors":"A C Cornwell,&nbsp;E D Weitzman,&nbsp;A Marmarou","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Electrophysiologic and cardiorespiratory events were studied polygraphically and by ambulatory monitoring in 'near miss' for sudden infant death syndrome (SIDS) and normal control infants 1-4 months old. The data show that 'near miss' babies typically have many apneic periods in their sleep, particularly apneas lasting 10 sec or longer. These tend to decrease with age. They have longer lasting apneas than controls, although the latter have respiratory pauses lasting less than 10 sec, in particular during rapid eye movement (REM) sleep. An upper respiratory infection (URI) in 'near miss' infants clearly appears to be a risk factor which will be studied further both in-hospital and at home using a monitoring technique with our Medilog ambulatory system.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"5 3","pages":"113-22"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11954435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A method for continuous electrocardiodynamic monitoring. 一种连续心电监测方法。
Biotelemetry and patient monitoring Pub Date : 1978-01-01
R Vrâncianu, V Filcescu, V Ionescu, P Groza, J Persson, R Kadefors, I Petersén
{"title":"A method for continuous electrocardiodynamic monitoring.","authors":"R Vrâncianu,&nbsp;V Filcescu,&nbsp;V Ionescu,&nbsp;P Groza,&nbsp;J Persson,&nbsp;R Kadefors,&nbsp;I Petersén","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A new method is presented for the monitoring of cardiac time intervals, e.g. in clinical and industrial work investigation. The methods yields 'on-line' the electrocardiodynamic time profile during rest as well as effort, and has applications in health care, sports and occupational medicine. By means of analog processing of an electrocardiographic signal, ear densitogram and beat-by-beat display of the measured cardiac time intervals as amplitude-modulated pulses, an 'electrocardiodynamic time profile' is obtained. In order to estimate the accuracy and the limitations of the method, a comparison with computerized methods was performed. In an ergonomic experiment carried out by a Romanian-Swedish research team, analog and digital methods for the detection of cardiac time intervals showed good agreement.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"5 3","pages":"134-48"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11954440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of environmental conditions and handling on the temperature rhythm of the rat. 环境条件及处理对大鼠体温节律的影响。
Biotelemetry and patient monitoring Pub Date : 1978-01-01
J Georgiev
{"title":"Influence of environmental conditions and handling on the temperature rhythm of the rat.","authors":"J Georgiev","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The necessity for considering environmental influences when performing and evaluating animal experiments was confirmed by using a wireless biotelemetry unit. Long-term measurements of nuclear temperature rhythms showed temperature rises of several tenths of a degree and in extreme conditions of up to 1.4 degrees C when animals were subjected to normal daily and experimental procedures.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"5 4","pages":"229-34"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11776473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of telemetry transmitter weight on breeding success in herring gulls. 遥测发射机重量对银鸥繁殖成功的影响。
Biotelemetry and patient monitoring Pub Date : 1978-01-01
C J Amlaner, R Sibly, R McCleery
{"title":"Effects of telemetry transmitter weight on breeding success in herring gulls.","authors":"C J Amlaner,&nbsp;R Sibly,&nbsp;R McCleery","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Dummy ratio-tracking transmitters weighing 10, 30 and 50 g were attached to randomly chosen pairs of breeding herring gulls (Larus argentatus). Breeding success was measured as a function of eggs hatched and chicks fledged. Fewer clutches survived if patients were subjected to more severe treatments (p less than 0.02). Component effects (catching pairs of gulls or increased transmitter weight) were not singularly significant in decreasing clutch success.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"5 3","pages":"154-63"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11955355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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