title: Observations contributing to certain aspects of the mechanism of spontaneous reciprocating tachycardia.
mesh_terms: D000368:Aged; D002648:Child; D003327:Coronary Disease / Q000150:complications; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000150:complications; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009205:Myocarditis / Q000150:complications; D011656:Pulmonary Emphysema / Q000150:complications; D011660:Pulmonary Heart Disease / Q000150:complications; D012008:Recurrence; D012214:Rheumatic Heart Disease / Q000150:complications; D013614:Tachycardia, Paroxysmal / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology*; D014927:Wolff-Parkinson-White Syndrome