Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
TMAD on transesophageal echocardiography. In a midesophageal four-chamber view, the user-defined anatomic landmarks lateral point (blue circle) and septal point (orange circle) were placed at the bottom of the RV free wall and the bottom of the interventricular septum, and another point was placed at the apex (yellow circle). TMADlat, TMAD at the at the interventricular septum, and RV longitudinal shortening (%) are displayed.
