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.
Comparison of IV and intra-arterial DSA. Intravenous angiography was sensitive to soft tissue motion and marginal iodine contrast. Intra-arterial DSA permitted the use of smaller catheters and smaller amounts of iodine and resulted in reduced complication rates.
