Results 61 to 70 of about 144,316 (169)

Wearable Electrospun Nanofibrous Sensors for Health Monitoring

open access: yesMicro
Various electrospinning techniques can be used to produce nanofiber mats with randomly oriented or aligned nanofibers made of different materials and material mixtures.
Nonsikelelo Sheron Mpofu   +3 more
doaj   +1 more source

Web-Based Wireless Monitoring System on Patient’s Vital Sign [PDF]

open access: yesE3S Web of Conferences, 2019
Examination of vital signs such as blood pressure, heart rate, and body temperature is the most basic essential function of the body in determining the health status of the patient. In general, examining vital signs performed by a doctor or nurse uses an
Subito Mery, Alamsyah, Amir Ardi
doaj   +1 more source

Effects of Chronic Hookah Consumption on Aerobic Capacity, Resting and Sub-maximal Heart Rate in Men Who Are Trained and Untrained

open access: yesآموزش بهداشت و ارتقاء سلامت ایران, 2020
Background and Objective: Hookah consumption is an underlying decline in lung function. However, data are limited on the physiological effects in young trained and untrained men.
Saeid Nasiri   +2 more
doaj  

Unconstrained measurement of respiration and heartbeat using a flexible tactile sensor sheet on a bed

open access: yesNihon Kikai Gakkai ronbunshu, 2015
We describe a measurement method of respiration and heartbeat using a Smart Rubber sensor, a rubber-based flexible tactile sensor sheet that we developed.
Kazuya MATSUO   +3 more
doaj   +1 more source

Heartbeat Detection by Laser Doppler Vibrometry and Machine Learning

open access: yesSensors, 2020
Background: Heartbeat detection is a crucial step in several clinical fields. Laser Doppler Vibrometer (LDV) is a promising non-contact measurement for heartbeat detection.
Luca Antognoli   +5 more
doaj   +1 more source

Digital-output cardiotachometer measures rapid changes in heartbeat rate [PDF]

open access: yes, 1965
Cardiotachometer circuits produce an output voltage proportional to the heartbeat rate on a beat-by-beat basis.
Vick, H.
core   +1 more source

Physiological Driver Monitoring Using Capacitively Coupled and Radar Sensors

open access: yesApplied Sciences, 2019
Unobtrusive monitoring of drivers’ physiological parameters is a topic gaining interest, potentially allowing to improve the performance of safety systems to prevent accidents, as well as to improve the driver’s experience or provide health ...
Ivan D. Castro   +5 more
doaj   +1 more source

Multifractality and scale invariance in human heartbeat dynamics

open access: yes, 2007
Human heart rate is known to display complex fluctuations. Evidence of multifractality in heart rate fluctuations in healthy state has been reported [Ivanov et al., Nature {\bf 399}, 461 (1999)].
A. L. Goldberger   +3 more
core   +1 more source

Energy-Efficient Elderly Fall Detection System Based on Power Reduction and Wireless Power Transfer

open access: yesSensors, 2019
Elderly fall detection systems based on wireless body area sensor networks (WBSNs) have increased significantly in medical contexts. The power consumption of such systems is a critical issue influencing the overall practicality of the WBSN.
Sadik Kamel Gharghan   +3 more
doaj   +1 more source

Cardiotachometer displays heart rate on a beat-to-beat basis [PDF]

open access: yes, 1974
Electronics for this system may be chosen so that complete calculation and display may be accomplished in a few milliseconds, far less than even the fastest heartbeat interval.
Rasquin, J. R.   +2 more
core   +1 more source

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