An official website of the United States government
Here's how you know
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.
Virchow’s Triad and venous thrombosis (VT). Risk factors for VT are broadly grouped into the three tenets of Virchow’s Triad: blood hypercoagulability, endothelial dysfunction, and altered blood flow.