Paroxysmal nodal tachycardia with retrograde heart block, reciprocal rhythm, and blocked reciprocal beats.
D004562:Electrocardiography; D006327:Heart Block / Q000150:complications*; D006801:Humans; D013610:Tachycardia; D013614:Tachycardia, Paroxysmal / Q000150:complications*
ELECTROCARDIOGRAPHY; HEART BLOCK/complications; TACHYCARDIA, PAROXYSMAL/complications