Medical Dictionary

cardiac impulse

noun

Medical Definition of CARDIAC IMPULSE

:  the wave of cardiac excitation passing from the sinoatrial node to the atrioventricular node and along the bundle of His and initiating the cardiac cycle; broadly :  heartbeat

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears