Medical Dictionary

QRS complex

noun

Medical Definition of QRS COMPLEX

:  the series of deflections in an electrocardiogram that represent electrical activity generated by ventricular depolarization prior to contraction of the ventricles—compare p wave, t wave

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