echocardiogram /ek′ōkär″dē·əgram′/ [Gk, echo, sound, kardia, heart, gramma, record] , a graphic outline of the movements of heart structures produced by ultrasonography.

echocardiogram /ek′ōkär″dē·əgram′/ [Gk, echo, sound, kardia, heart, gramma, record] , a graphic outline of the movements of heart structures produced by ultrasonography.