RT Journal Article SR Electronic T1 A 56-year-old man with palpitations JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 885 OP 886 VO 67 IS 12 A2 Williams, Marc A1 Rimmerman, Curtis M. YR 2000 UL http://www.ccjm.org/content/67/12/885.abstract AB