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Definition of Cardiac cycle
1. Noun. The complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next; an electrical impulse conducted through the heart muscle that constricts the atria which is followed by constriction of the ventricles. "The cardiac cycle can be shown on an electrocardiogram"
Medical Definition of Cardiac cycle
1. The complete round of cardiac systole and diastole with the intervals between, or commencing with, any event in the heart's action to the moment when that same event is repeated. (05 Mar 2000)
Cardiac Cycle Pictures
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Lexicographical Neighbors of Cardiac Cycle
Literary usage of Cardiac cycle
Below you will find example usage of this term as found in modern and/or classical literature:
1. Anatomy, Descriptive and Applied by Henry Gray (1913)
"Each cardiac cycle consists of three phases, which succeed each other as follows: (1) a
... The average duration of a cardiac cycle is about ^ of a second, ..."
2. A Text book of physiology by Michael Foster (1894)
"The cardiac cycle. We may take as the end of the cycle the moment at which the
ventricles having emptied their contents have relaxed and returned to the ..."
3. Physical Diagnosis by Richard Clarke Cabot (1919)
"Obviously the question can be asked only in case the murmur which we find audible
in various places occupies everywhere the same time in the cardiac cycle. ..."
4. An American Text-book of Physiology by William Henry Howell (1900)
"The Auricular Cycle ; the Ventricular Cycle ; the cardiac cycle.— Each systole
and succeeding diastole of the auricles constitute a regularly recurring pair ..."
5. Diseases of the heart by James Mackenzie (1908)
"Description of the events in a cardiac cycle. 108. The causes of variation of
pressure in the auricle and in the jugular vein. 109. ..."
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