See Also: isovolumic relaxation(medicine)
Isovolumic(medicine)
isovolumic interval(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Relaxation(medicine)
relaxation(dictionary)
relaxation(dictionary)
isometric relaxation(medicine)
isovolumetric relaxation(medicine)
longitudinal relaxation(medicine)

isovolumic relaxation (medicine)


isovolumic relaxation


That part of the cardiac cycle between the time of aortic valve closure and mitral opening, during which the ventricular muscle decreases its tension without lengthening so that ventricular volume remains unaltered; the heart is never precisely isovolumetric (vs. Isovolumic) except during long diastoles with a midiastolic period of diastasis.

Synonym: isovolumetric relaxation.