cardiac cycle

The complete movement of the heart or heartbeat, or the synchronus pumping actions of the heart's 2 atrioventricular (AV) pumps (right & left chambers). - includes the period from the begining of one heartbeat to the begining of the next one - consists of diastole & systole

References

Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999.