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Showing 1 to 20 of 64 for “"plethysmography"”.
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Motion Artifact Reduction in Impedance Plethysmography Signal
… from the electrocardiogram (ECG) and photoplethysmography (PPG) signals in the past few years. However, no such study exists for the Impedance Plethysmography (IP) signal. The IP signal can be used to monitor respiration in mobile devices. However, it is very susceptible to motion artifact. …
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Body composition analysis using air displacement plethysmography
… composition measuring device is the principle of plethysmography. This approach measures the density of an object by measuring the volume of air the object displaces as well as the objects mass. A principle assumption of this approach is the validity of the two Component Model of body composition …
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Assessment of Blood Flow in the Human Calf During Maximal Intermittent Dynamic Exercise Utilizing Impedance Plethysmography
… that through the use of impedance cardiography (plethysmography) and the protocols utilized that: (1) differences between groups can be found relative to peripheral pulse rate, cardiac output, heart rate and stroke volume during rest; (2) differences can be found relative to peripheral pulse rate …
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Comparison Of Air Displacement Plethysmography And Dual-Energy X-Ray Absorptiometry For Estimation Of Body Fat Percentage In National Collegiate Athletic Association Division I Athletes
The aim of this research is to study the Apple iOS and Android mobile frameworks from a developers' perspective. The first chapter introduces a historical overview of operating systems for mobile devices as well the motivation and objectives of the research. The second chapter introduces basic …
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Comparison of circumference-based equation and air displacement plethysmography to assess body fat percentage and evaluation of intervention for Army ROTC cadets to meet body composition standards.
This study was designed to determine the correlation between manual anthropometric measurements that are used in the United States Army to determine body fat percentage and measurements taken using the BOD POD. Additionally, this study investigated the effectiveness of a fitness and nutritional …
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Use Of Dual Energy X-Ray Absorptiometry Measurements To Evaluate Total Body Volume When Compared To Air Displacement Plethysmography For Evaluating Body Composition In A Four Compartment Model
<p>Intro: Body composition is an important metric to evaluate overall health. Having reliable body composition testing methods are critical to ensure that an individual is receiving correct data in which to base health, nutrition, and lifestyle decisions. With technological improvements, there are …
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Body Composition Assessment After Pediatric Liver Transplant
… to children, including air displacement plethysmography, dual x-ray absorptiometry and total body potassium, but are not portable or suitable for the clinic setting. A cross-sectional study was conducted to describe the quality of weight gain in post liver transplant children between the …
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The acute effects of shear rate maniuplation on vascular function in a healthy population
… 1 informed study 2, where a venous occlusion plethysmography (VOP) protocol was performed. Venous occlusion plethysmography has been widely used in research and clinical settings to assess blood flow in the periphery. The universal assumption that arterial inflow is not altered during VOP was …
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ΑΙΜΟΔΥΝΑΜΙΚΗ ΜΕΛΕΤΗ ΦΛΕΒΟΠΑΘΕΙΩΝ
… NON- INVASIVE (DOPPLER TECHNIQUE AND IMPEDANCE PLETHYSMOGRAPHY (I.P.G.), IN ORDER TO INVESTIGATE OUR CASES. A COMPARATIVE ASSESSMENT OF THERESULTS OF THE NON-INVASIVE DIAGNOSTIC METHODS WAS MADE AFTER TAKING UNDER CONSIDERATION THE PHLEBOGRAPHIC FINDINGS. THE ABOVE OBSERVATIONS LED TO THE …
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Development of an Oxygen Saturation Monitoring System by Embedded Electronics
… heart-rate detection using a non-invasive photo plethysmography also called as pulsoximeter using the MSP430FG437 microcontroller (MCU). The probe uses infrared lights to measure and should be in physical contact with any peripheral points in our body. The percentage of oxygen in the body is …
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Adding liveness detection to the hand geometry scanner
… design.;The method used for detection is Photo-Plethysmography. The Reflectance Sensor built is of original conception. After amplifying, filtering and processing the sensor's signal, a message is displayed onto an LCD, concerning the liveness of the hand and the pulse rate.
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Use of Motion Artifact for the Detection of Respiratory Effort in Polysomnography
… to effort measured with respiratory inductance plethysmography (RIP). The EMG and ECG signals were filtered using the Savitzy-Golay method of smoothing and differentiation of data by simplified least squares to extract the movement artifact. The validity of each resultant waveform was measured …
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Ο ΕΛΕΓΧΟΣ ΤΗΣ ΚΥΚΛΟΦΟΡΙΑΣ ΤΩΝ ΚΑΤΩ ΑΚΡΩΝ ΠΡΟ ΚΑΙ ΜΕΤΑ ΤΑΣ ΑΡΤΗΡΙΟΠΛΑΣΤΙΚΑΣ ΕΠΕΜΒΑΣΕΙΣ ΔΙ' ΑΝΑΙΜΑΚΤΩΝ ΔΙΑΓΝΩΣΤΙΚΩΝ ΜΕΘΟΔΩΝ
… WAS CARRIED OUT (ULTRASOUNDS (DOPPLER) AND PLETHYSMOGRAPHY). THE MEASUREMENTS OF CIRCULATION ON THE LOWER EXTREMITIES, AFTER THE PROCEDURE WERE CARRIED OUT AT REGULAR TIME INTERVALS THAT IS, 3, 6 AND 10TH POST OPERATIVE DAY. THE RESULTS OF THESE MEASUREMENTS PERMITTHE ESTABLISHMENT OF …
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A comparative study of the ventilatory responses of the golden hamster, Mesocricetus auratus and the laboratory rat, Rattus norvegicus, under hypercapnic and/or hypoxic gas mixtures
… white rat (<i>Rattus norvegicus</i>). Total body plethysmography was used to measure tidal volume (V<sub>T</sub>), respiratory frequency (R<sub>f</sub>), and minute volume (V<sub>E</sub>). The respiratory gases had carbon dioxide concentrations ranging from 0 to 790 and oxygen content ranging from …
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Camera-based Recovery of Cardiovascular Signals from Unconstrained Face Videos Using an Attention Network
… a video of a person's face. Video-based remote plethysmography methods have shown promising results in estimating vital signs such as heart rate and breathing rate. However, recovering the instantaneous pulse rate signals is still a challenge for the community. This is due to the fact that most …
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Utilization Of B-Mode Ultrasound As A Body Fat Estimate In Collegiate Football Players
… total body water (TBW) and air-displacement plethysmography (BODPOD<sup>®</sup>) to determine body density (Db). Pearson’s product-moment correlation analyses were run to determine between Σ<sub>Ultrasound</sub> and the criterion 3C-W, and between the Σ<sub>Skinfold</sub> and …
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The Cardiovascular Effect of GLP-1 in Humans
… in humans was made, in peripheral arteries using plethysmography, and in coronary arteries using invasive pressure and flow assessments during cardiac catherisation. I also evaluated transmyocardial extraction of GLP-1 and mapped the distribution of the GLP-1 receptor in the human cardiovascular …
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Conditional Loss of Engrailed 1/2 in Rhombic Lip-Derived Neurons Increases Intrinsic Rhythmicity and Decreases Overall Variability of Eupneic Respiration
… of the CRB. We utilized whole-body unrestrained plethysmography to measure respiration during eupnea, and evaluated the respiratory sequence of mutant animals and their control littermates using the average rate, the coefficient of variation (CV), and a unique measure of intrinsic rhythmicity …
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Cardiorespiratory abnormalities in early and advances stage mouse models of Duchenne muscular dystrophy
… severe (52.1 percent fibrosis). Using wholebody plethysmography and pulse oximetry, we assessed respiratory function and blood oxygen saturation (SaO2). At 12 months of age, Dmdmdx4cv mice exhibited significantly lower respiratory frequency and oxygen consumption. However, ventilation (Ve) and …
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Resistance training for patients with chronic heart failure
… was measured using strain gauge venous occlusion plethysmography. Vagal tone was assessed using heart rate variability. No medical complications arose during training or testing sessions. There were increases in upper body strength (42 ± 8; P = 0.037) and increases in lower body strength (22 ± 9%, …
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