Match List-I with List-II.
List-I | List-II | ||
(A) | P-wave | (I) | Beginning of systole |
(B) | Q-wave | (II) | Repolarisation of ventricles |
(C) | QRS complex | (III) | Depolarisation of atria |
(D) | T-wave | (IV) | Depolarisation of ventricles |
Text Solution
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In an ECG record, three recognisable waves (P-wave, QRS complex and T-wave) appear with each heartbeat.
P-wave - represents atrial depolarisation.
QRS complex - represents ventricular depolarisation.
T-wave - represents ventricular repolarisation.
Q-wave - represents initial phase of ventricular depolarisation i.e., beginning of systole.
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