Capturing the heart, 1880: Marey's cardiac tongs.
D002309:Cardiology / Q000266:history* / Q000295:instrumentation; D004576:Electromyography / Q000266:history* / Q000295:instrumentation; D004594:Electrophysiology / Q000266:history* / Q000295:instrumentation; D005602:France; D049672:History, 19th Century