DICT.TW Dictionary Taiwan

 bal·lis·to·car·dio·graph /-ˌgræf/ 名詞

 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]