ballistocardiograph

Từ điển Oxford Learners Wordfinder Dictionary

noun

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:
cardiograph
• Hypernyms:
medical instrument
• Part Holonyms:
cardiac monitor, heart monitor