Background: In 2014, the ACC/AHA released guidelines regarding indications for preoperative transthoracic echocardiogram (pre-op TTE) in patients undergoing noncardiac surgery. Studies indicate that the ordering of pre-op TTE in noncardiac surgery is not consistent with the ACC/AHA guidelines. Some studies suggest the pre-op TTE have a significant impact on management, while others have demonstrated low cardiac [...]