ballistocardiograph

英[bəlɪstə'kɑːdɪəʊɡræf] 美[bəlɪstə'kɑːdɪəʊɡræf]
  • 心冲击描记器
Noun:
  1. 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

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