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.
Representative images demonstrating the range of subarachnoid hemorrhage (SAH) scores based on macroscopic and microscopic observations: (A) absent, (B) mild, focal and patchy, (C) moderate, solitary thick plaque obscuring brain, e.g. basal SAH, or multifocal patchy SAH over both hemispheres, and (D) severe extensive and obscuring.
