medical instrument that records electric currents associated with contractions of the heart
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
例句
用作名词 (n.)
A cardiograph records the heartbeat. 心动描记器上标明心跳次数。
美
['kɑːdɪəˌgrɑːf]
