| cardiac glycoside |
obtained from a number of plants and used to stimulate the heart in cases of heart failure
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| cardiac muscle |
the muscle tissue of the heart; adapted to continued rhythmic contraction
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| cardiac cycle |
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"
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| cardiac arrhythmia |
an abnormal rate of muscle contractions in the heart
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| cardiac massage |
an emergency procedure that employs rhythmic compression of the heart (either through the chest wall or, during surgery, directly to the heart) in an attempt to maintain circulation during cardiac arrest
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