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Glossary of Physiology Terms – Q
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QRS complex
Definition:
The component of the electrocardiogram (ECG) that corresponds to the depolarization of ventricular myocytes. Ventricular depolarization precedes ventricular contraction.

Related glossary terms/phrases:
P wave
T wave









Posted: Saturday, March 16, 2013
Last updated: Friday, January 9, 2015