(n) diagnostic procedure consisting of recording the activity of the heart electronically with a cardiograph (and producing a cardiogram), Syn.electrocardiography
n. [ Gr. kardi`a heart + -gram. ] (Physiol.) Any instrumental record made of heart activity, especially the curve or tracing made by a cardiograph. Sometimes used synonymously with electrocardiogram. [ Webster 1913 Suppl. +PJC ]
n. [ Gr. kardi`a heart + -graph. ] (Med.) An instrument which, when placed in contact with the chest, will register graphically the comparative duration and intensity of the heart's movements. [ 1913 Webster ]
n. [ Gr. kardio-eidh`s heart-shaped; kardi`a heart + e'i^dos shape. ] (Math.) An algebraic curve, so called from its resemblance to a heart. [ 1913 Webster ]
n. An emergency procedure to revive heart and lung function in persons whose heart has apparently stopped beating, involving forced respiration, periodic pressure on the heart by pushing on the chest, and sometimes electrical or mechanical equipment. It is often referred to by the acronym CPR. [ PJC ]
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