an instrument that records the slight recoil of the body, while on a special bed, caused by the contractions of the heart: used to measure cardiac pumping power and the elasticity of the aorta
Origin of ballistocardiographfrom ballistic + cardiograph
A device used to determine the volume of blood passing through the heart in a specific period of time and the force of cardiac contraction by measuring the body's recoil as blood is ejected from the ventricles with each heartbeat.
Origin of ballistocardiographballist(ic) cardiograph
ballisto- + cardiograph