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.
Sample VH-IVUS frame: (a) Grayscale IVUS image and (b) the same image overlaid with plaque types characterized by VH as dense calcium (DC; white), necrotic core (NC; red), fibrotic tissue (FT; green), fibro-fatty tissue (FFT; light green), and media or non-pathological tissue (M; gray).