cardiograph(n.)
"心脏跳动记录装置",1867年,来自 cardio- + -graph "某物被书写"。
Although the work does not treat of the recent means of diagnosis—the thermometer, laryngoscope, cardiograph, etc.,—still it is complete as far as it goes. [book review in Medical Investigator, May 1867, p.94]
虽然这项工作没有涉及 recent 的诊断手段——温度计、喉镜、心电图等,但在其所涉及的范围内是完整的。[《医学调查员》(Medical Investigator)书评,1867年5月,第94页]
该词起源时间:1867年