Paroxysmal atrial tachycardia with atrioventricular block.
D054537:Atrioventricular Block; D006327:Heart Block; D006801:Humans; D013610:Tachycardia; D013614:Tachycardia, Paroxysmal; D013617:Tachycardia, Supraventricular
HEART BLOCK; TACHYCARDIA, PAROXYSMAL