RT Journal Article SR Electronic T1 It’s all in the P wave JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 80 OP 82 DO 10.3949/ccjm.80a.12044 VO 80 IS 2 A1 Sridhar Venkatachalam A1 Curtis Rimmerman YR 2013 UL http://www.ccjm.org/content/80/2/80.abstract AB