a. [ L. cardiacus, Gr. &unr_;, fr. &unr_; heart: cf. F. cardiaque. ] 1. (Anat.) Pertaining to, resembling, or hear the heart; as, the cardiac arteries; the cardiac, or left, end of the stomach. [ 1913 Webster ]
2. (Med.) Exciting action in the heart, through the medium of the stomach; cordial; stimulant. [ 1913 Webster ]
(n) 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, Example: the cardiac cycle can be shown on an electrocardiogram
(n) 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, Syn.heart massage
(n) the amount of blood pumped out by the ventricles in a given period of time, Example: a resting adult has a cardiac output of about three quarts a minute
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
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