title: Endurance exercise in the presence of heart disease.
abstract: Although patients with heart disease have successfully completed marathon runs, the immediate cardiac effects of similar and greater distance endurance exercise competition are unknown. Two such cases are presented, demonstrating that vigorous exercise and extreme levels of fitness are not precluded in the cardiac patient.
authors.affiliation: Cardiovascular Section, Hospital of the University of Pennsylvania, Philadelphia 19104.
authors.forename: P S
authors.initials: PS
authors.lastname: Douglas
authors.forename: A
authors.initials: A
authors.lastname: Sigler
authors.forename: M L
authors.initials: ML
authors.lastname: O'Toole
authors.forename: W D
authors.initials: WD
authors.lastname: Hiller
mesh_terms: D001026:Coronary Artery Bypass; D004452:Echocardiography; D016027:Heart Transplantation; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology* / Q000601:surgery; D010807:Physical Endurance; D005082:Physical Exertion; D011184:Postoperative Period; D012420:Running