Reciprocal rhythm, the Wolff-Parkinson-White syndrome, and unidirectional block.
D001145:Arrhythmias, Cardiac / Q000150:complications* / Q000503:physiopathology; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications* / Q000503:physiopathology