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.
Measurement of the mitral leaflet opening angle. The leaflet opening angle between the anterior or posterior mitral leaflet base and annular line was measured in early diastole using a two-dimensional long-axis view of the mitral valve extracted from the three-dimensional data set.
