which of the responses is (are) correct. Atrial fibrillation?

3
536

1   may be caused by hypertension

2   denote a fast, chaotic rhythm originating from multiple foci in the atria

3   is associated with ventricular premature beats

A    if 1, 2 and 3 are correct

B    if 1 and 2 only are correct

C    if 2 and 3 only are correct

D    if 1 only is correct

E    if 3 only is correct

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