Medical Dictionary

P wave

noun \ˈpē-ˌwāv\

Definition of P WAVE

:  a deflection in an electrocardiographic tracing that represents atrial activity of the heart—compare qrs complex, t wave
March 27, 2015
quiescent Hear it
Tranquilly at rest or causing no trouble
Take a 3-minute break and test your skills!
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