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

  1. A
    S - start of systole
  2. B
    T - end of diastole
  3. C
    P - depolarisation of the atria
  4. D
    R - repolarisation of ventricles

Solution & Step-by-step Explanation

In a standard ECG:P-wave: Represents electrical excitation (or depolarisation) of the atria.QRS complex: Represents depolarisation of the ventricles (initiates contraction).T-wave: Represents repolarisation of the ventricles.

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In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?
A
S - start of systole
B
T - end of diastole
C
P - depolarisation of the atria
D
R - repolarisation of ventricles

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