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 left coronary artery diameter is shown on 2D axial image in a 52-year-old man with significant coronary stenosis. The left anterior descending (a) and left circumflex branches (b) are measured as 6.1 mm and 3.7 mm in the proximal segments due to presence of extensively calcified plaques at both artery branches.
