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In a standard ECG which one of the following alphabets is the correct representation

In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?

Options

(a) S – start of systole
(b) T – end of diastole
(c) p – depolarisation of the atria
(d) R – repolarisation of ventricles

Correct Answer:

p – depolarisation of the atria

Explanation:

In a standard ECG, the P-wave is a small upward wave that indicates the depolarisation ofr thatria. This is caused by the activation of SA node.

AIPMT2009
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