Cardiograph - Definition
cardiograph
n 1: medical instrument that records electric currents
associated with contractions of the heart [syn:
cardiograph, electrocardiograph]
2: 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 [syn:
ballistocardiograph, cardiograph]