Cooperative study on cardiac catheterization. Arrhythmias.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000790:Angiocardiography / Q000009:adverse effects; D001145:Arrhythmias, Cardiac / Q000209:etiology* / Q000401:mortality; D001919:Bradycardia / Q000209:etiology; D006328:Cardiac Catheterization / Q000009:adverse effects*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006327:Heart Block / Q000209:etiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011182:Postoperative Care; D012737:Sex Factors; D013610:Tachycardia / Q000209:etiology; D014693:Ventricular Fibrillation / Q000209:etiology