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

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“QRS complex.” The Merriam-Webster.com Medical Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/medical/QRS%20complex. Accessed 22 January 2020.

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