A) P-wave
B) Q-wave
C) T-wave
D) ORS complex
Correct Answer: D
Solution :
In an electrocardiogram (ECG) which consist P- wave, T- wave and ORS complex. The depolarisation of atria in ECG is represented by P- wave, which is small upward wave. T- wave (dome-shaped) represent ventricular repolarisation. QRS complex begin after a fraction of second of the P- wave and show a smaller downward deflection (Q) then continued large upward (R) and triangular wave ending as downward wave (S). Ventricular contraction or dipolarisation is represented by ORS complex.You need to login to perform this action.
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