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.
Representative echocardiographic image demonstrating how the measurements were obtained for the shortening fraction. After obtaining maximum and minimum distances of the left ventricle along the short axis, the shortening fraction was calculated using the equation [(max−min)/max]. Measurements were taken using parasternal short axis view at the level of the papillary muscles.
