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
D
A
A