title: Coexistence of passive and active junctional rhythms with rates up to 300 per minute in a child with atrial parasystole.
mesh_terms: D000367:Age Factors; D001146:Arrhythmia, Sinus / Q000150:complications; D006328:Cardiac Catheterization; D002648:Child; D004077:Digoxin / Q000494:pharmacology; D004232:Diuretics / Q000494:pharmacology; D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology; D006333:Heart Failure / Q000150:complications; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008297:Male; D011433:Propranolol / Q000494:pharmacology; D013575:Syncope / Q000150:complications; D013610:Tachycardia / Q000150:complications*
chemical_list: D004232:Diuretics; D004077:Digoxin; D011433:Propranolol