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P-wave of ECG indicates: (1) Depolarisation of atrial muscles (2) Activation of the SA node (3) Spread of excitation from the SA node to the V node (4) Repolarisation of atria and depolarisation of ventricle |
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Answer» P-wave of ECG indicates: (1) Depolarisation of atrial muscles (2) Activation of the SA node (3) Spread of excitation from the SA node to the V node (4) Repolarisation of atria and depolarisation of ventricle |
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