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.
V, ST, and STR graphic result of VVI analysis of RV free wall in a healthy individual (A) and in a mild OSAS group patient (B). Obstructive sleep apnea patient (B) has lower ST, STR in apical segment, and higher V in basal segment compared to healthy individual (A). OSAS = obstructive sleep apnea syndrome, RV = right ventricular, ST = strain, STR = strain rate, V = velocity, VVI = velocity vector imaging.
