Medical Terminology / Unit 7 MedTerm 0433 short lesson, about 20 seconds
Diastole
Captions available
The idea
Diastole is the phase of the heartbeat in which the ventricles relax and fill with blood.
In practice
Diastolic pressure is the lower of the two numbers in a blood pressure reading.
Where people slip
Systole and diastole are opposites and always appear as a pair in pressure readings.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
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