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Biomedical Instrumentation: Focus Toward Point-of-Care Devices
Biomedical instrumentation (BMI) deals with the measuring, recording, and transmitting biological signals from and to the human body to enable...
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The Definition and Architecture of Cuffless Blood Pressure Monitors
This chapter introduces a systematic framework to navigate through the universe of cuffless blood pressure technologies. The chapter is organized in...
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Measuring acute stress response through physiological signals: towards a quantitative assessment of stress
Social and medical problems associated with stress are increasing globally and seriously affect mental health and well-being. However, an effective...
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Photoplethysmography and ultrasonic-measurement-integrated simulation to clarify the relation between two-dimensional unsteady blood flow field and forward and backward waves in a carotid artery
Understanding the spatiotemporal change in hemodynamics is essential for the basic research of atherosclerosis. The objective of this study was to...
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Objective detection of chronic stress using physiological parameters
The aim of this study was to design a system to diagnose chronic stress, based on blunted reactivity of the autonomic nervous system (ANS) to...
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Heart rate variability (HRV) in deep breathing tests and 5-min short-term recordings: agreement of ear photoplethysmography with ECG measurements, in 343 subjects
PurposeWe analyzed heart rate variability (HRV) taken by ECG and photoplethysmography (PPG) to assess their agreement. We also analyzed the...
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RR interval signal quality of a heart rate monitor and an ECG Holter at rest and during exercise
This study was designed to examine the RR interval signal qualities of a Holter device and a heart rate chest belt monitor at rest and during...
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Develo** of robust and high accurate ECG beat classification by combining Gaussian mixtures and wavelets features
Electrocardiogram (ECG) beat classification is a significant application in computer-aided analysis and diagnosis technologies. This paper proposed a...
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Bilateral photoplethysmography for arterial steal detection in arteriovenous fistula using a fractional-order decision-making quantizer
As inflow and outflow stenoses worsen, both flow resistance and pressure increase in the stenotic vascular access. During dialysis, when blood flow...
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Multifractal Correlation Study Between Posture and Autonomic Deregulation Using ECG and Blood Pressure Data
Recently posture-induced cardiovascular changes have become a subject of study for its obvious implications. This chapter presents analysis of...
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Mitigation of stress: new treatment alternatives
Complaints of stress are common in modern life. Psychological stress is a major cause of lifestyle-related issues, contributing to poor quality of...
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Changes in autonomic nervous system activity, body weight, and percentage fat mass in the first year postpartum and factors regulating the return to pre-pregnancy weight
BackgroundMany women become obese during pregnancy and the postpartum period. Weight gain and obesity in the general population are often attributed...
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Analysis of physiological signals for recognition of boredom, pain, and surprise emotions
BackgroundThe aim of the study was to examine the differences of boredom, pain, and surprise. In addition to that, it was conducted to propose...
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Near-infrared photons: a non-invasive probe for studying bone blood flow regulation in humans
The study of bone blood flow regulation in humans has always represented a difficult task for the clinician and the researcher. Classical measurement...
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Psychophysiology in Games
Psychophysiology is the study of the relationship between psychology and its physiological manifestations. That relationship is of particular...
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MouthLab: A Tricorder Concept Optimized for Rapid Medical Assessment
The goal of rapid medical assessment (RMA) is to estimate the general health of a patient during an emergency room or a doctor’s office visit, or...
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Application of multiscale entropy in arterial waveform contour analysis in healthy and diabetic subjects
We applied multiscale entropy (MSE) to assess variation in crest time (CT), a parameter in arterial waveform analysis, in diagnosing patients with...
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Investigating Relative Respiratory Effort Signals During Mixed Sleep Apnea Using Photoplethysmogram
Sleep disordered breathing does show different types of events. These are obstructive apnea events, central apnea events and mixed sleep apnea (MSA)...
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A critical care monitoring system for depth of anaesthesia analysis based on entropy analysis and physiological information database
Diagnosis of depth of anaesthesia (DoA) plays an important role in treatment and drug usage in the operating theatre and intensive care unit. With...
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Respiratory Rate Estimation from the Built-in Cameras of Smartphones and Tablets
This paper presents a method for respiratory rate estimation using the camera of a smartphone, an MP3 player or a tablet. The iPhone 4S, iPad 2, iPod...
