The relaxation phase of the cardiac cycle.
Period of cardiac muscle relaxation alternating with systole or contraction.
The period between beats when the heart is at rest and not contracting.
Relaxation of the heart in each beat.
Period between two contractions of the heart, when the chambers widen and fill with blood. On heart muscle contraction (systole), the blood is pumped through the heart and into the arteries. In blood pressure readings, diastole is the second (or lower) number given.
Relaxation of the heart, allowing it to refill with blood for the next contraction.
The period during which the heart is at rest, and its chambers fill with blood.
The period between two contractions of the heart, when the muscle of the heart relaxes and allows the chambers to fill with blood. The term usually refers to ventricular diastole, which lasts about 0.5 seconds in a normal heart rate of about 70/minute. During exertion this period shortens, allowing the heart rate to increase.
The relaxation of a hollow organ. The term is applied in particular to the heart, to indicate the resting period between the beats (systole), while blood is flowing into the organ.
The period of cardiac muscle relaxation, alternating in the cardiac cycle with systole or contraction. During diastole, the cardiac muscle fibers lengthen and the chambers fill with blood.
In the cycle of the heartbeat, there exists a phase known as diastole, characterized by the restful state of the heart muscle. Diastole occurs in alternation with systole, which denotes the period of muscular contraction. This rhythmic interplay between diastole and systole ensures the effective functioning of the heart as it continually pumps blood throughout the body.
The phase when the heart is at rest and its chambers fill with blood before contraction, known as systole.