Skip navigation

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.

Results 1 - 1 of 1 for Decreased muscle mass
  1. Peripheral Artery Disease Video (Merck & Co., Inc.)  
    ... are gradually narrowed by an abnormal growth of muscle in the artery’s wall ( fibromuscular dysplasia ), inflammation ( vasculitis ), or pressure from outside the blood vessel by a nearby mass, such as a tumor or fluid-filled sac ( ...