# echocardiogram --- **echocardiogram** transthoracic goes on the skin looks just like any doppler transesophageal echo used sedation, anesthetic throat spray, bite block not [[general anesthesia]] probe is placed down the esophagus It goes behind the heart, and you can see the aorta really well and also the vlaves doesn't have to go through skin and bone used if someone really has a big thick chest wall ___