This article is intended to provide surgeons and non-surgeons with a f
oundation of essential concepts and principles or the application of T
EE in their practices. Included will be an overview of echocardiograph
ic principles, advantages of TEE versus transthoracic echocardiography
, comparisons of single-plane, biplane, and multiplane TEE, and how TE
E can benefit general surgeons, trauma surgeons, and critical care sur
geons in various clinical situations. A brief overview of basic echoca
rdiographic images is provided.