Published by:
CGP EDU Academic Team
Published on: August 21, 2026
Which of the following correctly explains a phase/event in cardiac cycle in a standard electrocardiogram?
Text Solution
Verified by ExpertsThe correct answer is:
QRS wave (complex) begins after a fraction of second after the P wave. It begins as a small downward deflection 
and continuous as a large upright 
and triangular wave, ending as downward wave 
at its base. This represents ventricular depolarisation (ventricular contraction).
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