diastole

Concept

The phase of the cardiac cycle when the ventricles relax and fill with blood. It corresponds to the lower number in a blood pressure reading. The heart receives its own blood supply during this phase.

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Videos Mentioning diastole

Blood pressure—how to measure, manage, and treat high blood pressure [AMA 48 sneak peek]

Blood pressure—how to measure, manage, and treat high blood pressure [AMA 48 sneak peek]

Peter Attia MD

The phase of the cardiac cycle when the ventricles relax and fill with blood. It corresponds to the lower number in a blood pressure reading. The heart receives its own blood supply during this phase.