The dicrotic notch analyzed by a numerical model
نویسندگان
چکیده
منابع مشابه
The dicrotic notch analyzed by a numerical model
Divergent concepts on the origin of the dicrotic notch are widespread in medical literature and education. Since most medical textbooks explain the origin of the dicrotic notch as caused by the aortic valve closure itself, this is commonly transmitted in medical physiology courses. We present clinical data and numerical simulations to demonstrate that reflected pressure waves could participate ...
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the aim of this thesis is an approach for assessing insurer’s solvency for iranian insurance companies. we use of economic data with both time series and cross-sectional variation, thus by using the panel data model will survey the insurer solvency.
Novel Notch Detection Algorithm for Detection of Dicrotic Notch in PPG Signals
Photoplethysmography (PPG) is a non-invasive optical technique that measures relative blood volume changes in the blood vessels and is widely used for research and physiological studies. Dicrotic notch represent the closure of the aortic semi-lunar valve and subsequent receding blood flow when ventricles relax. Their location is used to calculate systolic time intervals and monitor cardiac func...
متن کاملFPGA Based Digital System for Detection of Dicrotic Notch in the Carotid Pulse Signal
Heart disease is one of the leading causes of death in human beings. A survey shows every year about 900,000 peoples die due to heart diseases worldwide. Carotid pulse is a pressure signal recorded over the carotid artery as it passes near the surface of the body at the neck. An abnormal carotid pulse called the dicrotic pulse occurs when patients suffer from sepsis, hypovolemic shock, cardiac ...
متن کاملAssociation of common carotid artery Doppler-determined dicrotic notch velocity with the left ventricular ejection fraction.
OBJECTIVES The appearance of the dicrotic notch on blood pressure tracings is associated with impaired cardiac function. Common carotid artery waveforms have similar fiduciary markers, yet they have not been related to cardiac function. We studied associations of common carotid artery dicrotic notch velocities with the left ventricular ejection fraction (LVEF) determined by echocardiography. ...
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ژورنال
عنوان ژورنال: Computers in Biology and Medicine
سال: 2016
ISSN: 0010-4825
DOI: 10.1016/j.compbiomed.2016.03.005