home Jake DeShazo electrocardiogram e⋅lec⋅tro⋅car⋅di⋅o⋅gram [i-lek-troh-kahr-dee-uh-gram] –noun 1. a graphical recording of the cardiac cycle produced by an electrocardiograph.    e a b c d e f g h i j k l m n o p q r s t u v w x y z earth elbow eight electricity elephant electrocardiogram elusive embrace entomology empty entr-ez endearing elevator