RT Journal Article SR Electronic T1 An alerting sign: Enlarged cardiac silhouette JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 801 OP 803 DO 10.3949/ccjm.82a.14185 VO 82 IS 12 A1 Hamiel, Uri A1 Yeganeh, Shay A1 Carrasso, Shemy A1 Soboh, Soboh YR 2015 UL http://www.ccjm.org/content/82/12/801.abstract AB