Isovolumic relaxation time
id:
isovolumic-relaxation-time-317-5692345
title:
Isovolumic relaxation time
text:
Isovolumic relaxation time (IVRT) is an interval in the cardiac cycle, from the aortic component of the second heart sound, that is, closure of the aortic valve, to onset of filling by opening of the mitral valve. It can be used as an indicator of diastolic dysfunction. It can be measured by simultaneous Doppler echocardiography and M-mode sonography, or better still, by simultaneous phonocardiogram and transmitral Doppler. Prolonged IVRT indicates poor myocardial relaxation. A normal IVRT is ab
brand slug:
wiki
category slug:
encyclopedia
description:
Interval in the cycle of the human heart
original url:
https://en.wikipedia.org/wiki/Isovolumic_relaxation_time
date created:
date modified:
2022-11-06T14:22:42Z
main entity:
{"identifier":"Q6086610","url":"https://www.wikidata.org/entity/Q6086610"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/f/f4/Wiggers_Diagram.svg","width":1098,"height":841}
fields total:
13
integrity:
15