SAH Fisher Grade

About

The Fisher grading scale classifies the appearance of subarachnoid hemorrhage on CT scan and is used in predicting cerebral vasospasm.

The development of clinical vasospasm within each grade has been reported as follows:

  • Grade 1 = 0%
  • Grade 2 = 7%
  • Grade 3 = 35%
  • Grade 4 = 21%

References

The SAH Fisher Grade calculator is created by QxMD.
Default Units

1. Appearance of Hemorrhage?

0/1 completed

About

The Fisher grading scale classifies the appearance of subarachnoid hemorrhage on CT scan and is used in predicting cerebral vasospasm.

The development of clinical vasospasm within each grade has been reported as follows:

  • Grade 1 = 0%
  • Grade 2 = 7%
  • Grade 3 = 35%
  • Grade 4 = 21%

References

The SAH Fisher Grade calculator is created by QxMD.
Legal Notices and Disclaimer

© 2020 QxMD Software Inc., all rights reserved. No part of this service may be reproduced in any way without express written consent of QxMD. This information should not be used for the diagnosis or treatment of any health problem or disease. This information is not intended to replace clinical judgment or guide individual patient care in any manner. Click here for full notice and disclaimer.