medical instrument that records electric currents associated with contractions of the heart
source: WordNet 3.0
a medical instrument that measures the mechanical force of cardiac contractions and the amount of blood passing through the heart during a specified period by measuring the recoil of the body as blood is pumped from the ventricles
source: WordNet 3.0
An instrument which, when placed in contact with the chest, will register graphically the comparative duration and intensity of the heart's movements.
