— ballistocardiography /beuh lis'toh kahr'dee og"reuh fee/ , n.
/beuh lis'toh kahr"dee euh graf', -grahf'/ , n. Med.
a device that determines cardiac output by recording the movements of the body caused by contraction of the heart and ejection of blood into the aorta.
[ 1935-40; BALLIST(IC) + -O- + CARDIOGRAPH ]