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.
Vein of Marshall subselective venograms in each patient. Right anterior oblique fluoroscopic projections (except for patient #7, left anterior oblique projection) of contrast injection through a LIMA angiographic guide, or balloon occlusion catheter. The vein of Marshall (arrows) and its branches are readily identifiable as a branch of the coronary sinus directed superiorly and posteriorly.
