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Which of the following correctly explains a phase/event in cardiac cycle in a standard electrocardiogram?
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(b) QRS Complex QRS wave (complex) begins after a fraction of second after the P wave. It begins as a small downward deflection (Q) and continuous as a large upright (R) and triangular wave, ending as downward wave (S) at its base.
This represents ventricular depolarisation (ventricular contraction). Thus, the other options are wrong.
This represents ventricular depolarisation (ventricular contraction). Thus, the other options are wrong.
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Question Text | Which of the following correctly explains a phase/event in cardiac cycle in a standard electrocardiogram? |
Updated On | Jul 15, 2023 |
Topic | Body Fluids and Circulation |
Subject | Biology |
Class | Class 11 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 281 |
Avg. Video Duration | 1 min |