RT Journal Article SR Electronic T1 Protocol-Driven Preoperative Testing in the Preoperative Assessment Unit (PAU): Which Patients Should Receive a Resting Transthoracic Echocardiogram (TTE) Prior to Elective Noncardiac Surgery? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP eS37 OP eS37 VO 77 IS 3 esuppl 1 A1 James Dyer YR 2010 UL http://www.ccjm.org/content/77/3_esuppl_1/eS37.abstract AB