Isovolumic relaxation time

Wiggers diagram of the cardiac cycle, with isovolumic relaxation marked at top

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.

单词	IVRT
释义	IVRT 英语百科 Isovolumic relaxation time 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.
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