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.
Assessment of haemodynamic relevance by computed tomography. Computed tomography angiography-derived fractional flow reserve (A) shows a haemodynamic significant (red colour) stenosis in the LAD (arrow) with a simulated FFR value of 0.72. Stress perfusion computed tomography (B) demonstrating low myocardial blood flow (during pharmacological hyperaemia) in the infero-lateral wall (arrows) caused by an RCA stenosis.
