Ballistocardiograph

1 definition found

From WordNet (r) 2.0 [wn]:

  ballistocardiograph
       n : 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: {cardiograph}]