RT Journal Article SR Electronic T1 The Diagnosis and Treatment of Cardiac Emergencies JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 69 OP 79 VO 9 IS 2 A1 Ernstene, A. Carlton YR 1942 UL http://www.ccjm.org/content/9/2/69.abstract AB