•  

Supported Partner

Chance to win new book from Thieme

Neurointerventional Techniques

Tricks of the Trade

Click here to read more

 

Fisher Grade

The Fisher Grade classifies the appearance of subarachnoid hemorrhage on CT scan:

1No hemorrhage evident.
2Subarachnoid hemorrhage less than 1mm thick.
3

Subarachnoid hemorrhage more than 1mm thick.

4

Subarachnoid hemorrhage of any thickness with intra-ventricular hemorrhage (IVH) or parenchymal extension.

 

Reference

Fisher C, Kistler J, Davis J (1980). "Relation of cerebral vasospasm to subarachnoid hemorrhage visualized by computerized tomographic scanning". Neurosurgery 6 (1): 1–9.

You are here:

▼ Advertisement