cardiac cycle


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Related to cardiac cycle: cardiac output, blood pressure, Heart sounds

cardiac cycle

[′kärd·ē‚ak ‚sī·kəl]
(physiology)
The sequence of events in the heart between the start of one contraction and the start of the next.
References in periodicals archive ?
This result seems to indicate that only when substantial tachycardia occurs there is the necessity to take into account the fact that DT shortens more than ET in the cardiac cycle.
Intracranial blood and CSF 'flush' and 'fill' flows through the cardiac cycle are initiated by the systolic intracerebral arterial inflow.
Phase contrast velocity encoded MRI allows one to obtain measures of blood velocity plotted over the cardiac cycle through the valves and the great vessels.
The newest and most advanced testing uses a Hemathix SCV-200 automated scanning capillary tube viscometer (formerly known as the Rheolog), which is capable of measuring viscosity over the complete range of physiologic values experienced in a cardiac cycle (10,000 shear rates) with a single continuous measurement.
A few examples of the diverse topics covered in the volumes include acorn worm, air masses and fronts, animal cancer tests, big bang theory, biophysics, buckwheat, cardiac cycle, dentrification, dragonflies, geotropism, ice age refuges, irrational number, legumes, nuclear winter, oscillations, photocopying, quantum electrodynamics, restoration ecology, set theory, squirrel fish, tartaric acid, tumbleweed, ultraviolet astronomy, weather forecasting, xylotomy, and zodiacal light.
One of the initial findings from this research is that the flow pattern in any given aneurysm does not appear to change during the cardiac cycle.
There are key implications with low and/or falling BP, which may be a clue to early malfunction during the filling (DBP) or pumping (SBP) phases of the cardiac cycle.
The system, which is synchronized to the individual patient's cardiac cycle, inflates the cuffs with air to create external pressure when the heart is resting and deflates the cuffs just before the next heartbeat.