Cardiograph

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  cardiograph \car"di*o*graph\, n. [Gr. kardi`a heart + -graph.]
     (Med.)
     An instrument which, when placed in contact with the chest,
     will register graphically the comparative duration and
     intensity of the heart's movements.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  cardiograph
       n 1: medical instrument that records electric currents associated
            with contractions of the heart [syn: {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}]