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.
Right ventricular free wall longitudinal strain measurements in two patients with McConnell’s sign: one without pulmonary embolism (left) and the other with pulmonary embolism (middle), and in a normal subject (right), along with the corresponding free wall segmental strain curves (bottom). Note the differences in the magnitude of the segmental peak strain among the three patients (see text for details).
