Fisher scale

General Details:

Name:
Fisher scale
Steward:
NINDS
Definition:
Fisher scale characterizes the appearance of subarachnoid hemorrhage (SAH) on imaging
Registration Status:
Qualified

Permissible Values:

Value Type:
Value List
Unit of Measure:
Ids:
Value Code Name Code Code System Code Description
1 No blood detected No blood detected
2 Diffuse deposition of thin layer w/ all vertical layers of blood (interhemispheric fissure, insular cistern, ambient cistern) < 1 mm thick Diffuse deposition of thin layer w/ all vertical layers of blood (interhemispheric fissure, insular cistern, ambient cistern) < 1 mm thick
3 Vertical Layers of blood 1 mm thick or localized clots (clots defined as > 3 x 5 mm) Vertical Layers of blood 1 mm thick or localized clots (clots defined as > 3 x 5 mm)
4 diffuse or no subarachnoid blood, but w/ intracerebral or intraventricular clots diffuse or no subarachnoid blood, but w/ intracerebral or intraventricular clots

Designations:

Designation:
Fisher scale
Tags:
Designation:
Fisher scale
Tags:
Question Text

Designations:

Definition:
Fisher scale characterizes the appearance of subarachnoid hemorrhage (SAH) on imaging
Tags:

Reference Documents:

ID:
Title:
URI:
Provider Org:
Language Code:
Document:
Fisher CM, Kistler JP, Davis JM. Relation of cerebral vasospasm to subarachnoid hemorrhage visualized by computerized tomographic scanning. Neurosurgery 1980;6:1-9.

Identifiers:

Source:
NLM
Id:
kc51TSSdK0Y
Version:
3.1
Source:
NINDS
Id:
C14246
Version:
3
Source:
BRICS Variable Name
Id:
FisherScale
Version: