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Biotelemetry and patient monitoring最新文献

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Sports-medical studies on parachute jumpers with particular reference to the behavior of heart rate. 跳伞者的运动医学研究，特别是心率的变化。
Biotelemetry and patient monitoring Pub Date : 1982-01-01
K Jung, J Schulze
{"title":"Sports-medical studies on parachute jumpers with particular reference to the behavior of heart rate.","authors":"K Jung,&nbsp;J Schulze","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The aim of the experiment was to record the heart rate tracings of three groups of parachutists - with manually operated parachutes, automatically operated parachutes and formation parachutists (sky divers) - during the jump and to compare these with the findings obtained during bicycle ergometer stress tests. A total of 112 parachute jumps involving 31 subjects were evaluated. All the subjects exhibited a significant increase in heart rate during the exit, canopy opening and landing phases. Qualitatively, the heart rate curves of the formation, manual and automatic parachutists showed a similar trend. Rises in heart rate during the opening of the parachute (for the formation parachutists) and during landing (for the automatic parachutists) were, however, particularly pronounced. The increase in heart rate can be principally ascribed to emotional tension and a state of anticipation rather than to physical stress. The comparative evaluation of the ergometer tests showed that as a general rule stress factors in the submaximal region occur during parachuting, but that in extreme situations heart rates in the maximal region of physical stress may well be expected.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"9 4","pages":"238-50"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18197822","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 ultrasonic salinity telemetry transmitter for use on fish in estuaries. 一种用于河口鱼类的超声波盐度遥测发射器。
Biotelemetry and patient monitoring Pub Date : 1982-01-01
I G Priede
{"title":"An ultrasonic salinity telemetry transmitter for use on fish in estuaries.","authors":"I G Priede","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":" ","pages":"1-9"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40718526","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 microwave radiometric method for the study of the semiconductor properties of living tissue: its potential application to tumour location. 研究活体组织半导体特性的微波辐射测量方法及其在肿瘤定位中的潜在应用。
Biotelemetry and patient monitoring Pub Date : 1982-01-01
J Bigu
{"title":"A microwave radiometric method for the study of the semiconductor properties of living tissue: its potential application to tumour location.","authors":"J Bigu","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A microwave (MW) radiometric method for the study of the semiconductor properties of tissue is proposed. This method makes use of the nonlinear properties of tissue in conjunction with its radiative properties as described by blackbody theory. The region of the body under examination is illuminated by a monochromatic MW field which 'mixes' with the MW field generated by this region. This 'mixing' gives rise to an intermodulation spectrum which should be detectable by using a radiometer tuned to a predetermined difference frequency, or alternatively a sum frequency of the intermodulation spectrum. Potential applications to tumour location and tumour research are discussed.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"9 2","pages":"98-114"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18131351","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 field-portable, microprocessor-controlled, data processing and storing cardiotachometer. 一种现场便携式、微处理器控制、数据处理和存储的心速计。
Biotelemetry and patient monitoring Pub Date : 1982-01-01
N K Jacobsen, J L Stuart
{"title":"A field-portable, microprocessor-controlled, data processing and storing cardiotachometer.","authors":"N K Jacobsen,&nbsp;J L Stuart","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"9 2","pages":"80-8"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18131349","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
Transcutaneous oxygen monitoring from the fetus during labor: a study of the TcPO2 levels and comparison of two electrode application techniques. 产程中胎儿经皮氧监测:TcPO2水平的研究和两种电极应用技术的比较。
Biotelemetry and patient monitoring Pub Date : 1982-01-01
O Löfgren
{"title":"Transcutaneous oxygen monitoring from the fetus during labor: a study of the TcPO2 levels and comparison of two electrode application techniques.","authors":"O Löfgren","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The technique for transcutaneous oxygen (TcPO2) monitoring is now routine in neonatal intensive care. The method was presented earlier as a potential tool for fetal surveillance during labor. The current study reports on two techniques generally used for the application of the electrode to the fetus. The application of the electrode by a suction instrument does not influence the TcPO2 level recorded and the use of this technique is very simple. However, the main disadvantage of the suction instrument is that the electrode is easily detached. Application of the electrode by glue is technically a little more difficult but has the advantage of being much more efficient. If the criteria for a reliable recording presented in the study are fulfilled, the technique may be used as an additional parameter to diagnose true fetal hypoxemia.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"9 3","pages":"166-74"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18175056","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
Application of interferometry to the monitoring of sheep and cattle behaviour in arid zone paddocks. 干旱区围场羊、牛行为监测干涉测量法的应用。
Biotelemetry and patient monitoring Pub Date : 1982-01-01
B R Davis, M C Willcocks
{"title":"Application of interferometry to the monitoring of sheep and cattle behaviour in arid zone paddocks.","authors":"B R Davis,&nbsp;M C Willcocks","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"9 4","pages":"185-204"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18197818","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 long-range implantable heart rate transmitter for free-ranging animals. 一种用于自由放养动物的远程植入式心率传输器。
Biotelemetry and patient monitoring Pub Date : 1982-01-01
E H Follmann, A E Manning, J L Stuart
{"title":"A long-range implantable heart rate transmitter for free-ranging animals.","authors":"E H Follmann,&nbsp;A E Manning,&nbsp;J L Stuart","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The design and operating characteristics of a heart rate transmitter designed for a wild grizzly bear (Ursus arctos) study is described. The rigid capsule is durable and is easily implanted in the field. The transmitter can be regularly monitored at 4-5 km and has a life expectancy of about 1 year in bears which experience winter torpor, and thus reduced heart rate, for about 7 months in northern Alaska.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"9 4","pages":"205-12"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18197819","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 implantable, externally powered radiotelemetric system for long-term ECG and heart-rate monitoring. 一种植入式，外部供电的无线电遥测系统，用于长期ECG和心率监测。
Biotelemetry and patient monitoring Pub Date : 1982-01-01
B Hansen, K Aabo, J Bojsen
{"title":"An implantable, externally powered radiotelemetric system for long-term ECG and heart-rate monitoring.","authors":"B Hansen,&nbsp;K Aabo,&nbsp;J Bojsen","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An externally inductive powered implantable ECG radiotelemetry unit has been developed for continuous long-term measurements of cardiophysiological changes following administration of cardiotoxic drugs. The power density distribution (320 kHz) inside the cage has been measured to be 3-11 mW/cm2. The implantable unit has a volume of 38 X 22 X 8 mm and a mass of 9 g, and has been tolerated by the animal (guinea pig) during a continuous registration period of 6 months.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"9 4","pages":"227-37"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18197821","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
Drift of the TcPO2 measurement in vivo and in vitro. 体内和体外TcPO2测量的漂移。
Biotelemetry and patient monitoring Pub Date : 1982-01-01
O Löfgren
{"title":"Drift of the TcPO2 measurement in vivo and in vitro.","authors":"O Löfgren","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"9 2","pages":"115-23"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18131347","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
Is transcutaneous oxygen tension independent of variations in blood flow and in arterial blood pressure? 经皮氧张力是否独立于血流和动脉血压的变化?
Biotelemetry and patient monitoring Pub Date : 1982-01-01
J H Eickhoff, E Jacobsen
{"title":"Is transcutaneous oxygen tension independent of variations in blood flow and in arterial blood pressure?","authors":"J H Eickhoff,&nbsp;E Jacobsen","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Whether transcutaneous oxygen tension (TcPO2) is independent of minor variations in perfusion under the TcPO2 electrode, as is claimed, was studied in 18 feet of 16 young healthy adults. The TcPO2 electrode was mounted on the dorsum of the foot and operated at 43 degrees C, while the blood pressure was changed by elevating and lowering the foot. During elevation the mean arterial blood pressure decreased corresponding to the hydrostatic pressure of the column of blood between the heart and the position of the foot. In every experiment TcPO2 decreased when the foot was elevated at an average rate of 1.2% per millimeter Hg change in mean arterial blood pressure. TcPO2 was negatively correlated to blood flow in normal unheated tissue, but significantly and positively correlated to blood flow in the heated, vasodilated tissue under the TcPO2 electrode. In the heated tissue normal blood flow regulation was abolished, and the perfusion under the electrode was mainly determined by the arterial blood pressure. It is concluded that TcPO2 in adults--and probably also in neonates--is affected by the minor or large variations in the perfusion under the electrode caused by fluctuations in arterial blood pressure.</p>","PeriodicalId":75603,"journal":{"name":"Biotelemetry and patient monitoring","volume":"9 3","pages":"175-84"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18175057","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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