Description

A Clinical Stroke Scale based on the clinical examination can be used to assess patients following an acute cerebral infarction.


Parameter

Finding

Points

level of consciousness (LOC)

alert

0

 

drowsy

1

 

stuporous

2

 

coma

3

LOC questions

answers both correctly

0

 

answers one correctly

1

 

incorrect for both questions

2

LOC commands

obeys both correctly

0

 

obeys one correctly

1

 

incorrect for both commands

2

pupillary response

both reactive

0

 

one reactive

1

 

neither reactive

2

best gaze

normal

0

 

partial gaze palsy

1

 

forced deviation

2

best visual

no visual loss

0

 

partial hemianopia

1

 

complete hemianopia

2

facial palsy

normal

0

 

minor

1

 

partial

2

 

complete

3

best motor arm

no drift

0

 

drift

1

 

cannot resist gravity

2

 

no effort against gravity

3

best motor leg

no drift

0

 

drift

1

 

cannot resist gravity

2

 

no effort against gravity

3

plantar reflex

normal

0

 

equivocal

1

 

extensor

2

 

bilateral extensor

3

limb ataxia

absent

0

 

present in upper or lower

1

 

present in both upper and lower

2

sensory

normal

0

 

partial loss

1

 

dense loss

2

neglect

none

0

 

partial neglect

1

 

complete neglect

2

dysarthria

normal articulation

0

 

mild to moderate dysarthria

1

 

near unintelligible or worse

2

best language

no aphasia

0

 

mild to moderate aphasia

1

 

severe aphasia

2

 

mute

3

change from previous exam

same

S

 

better

B

 

worse

W

change from baseline

same

S

 

better

B

 

worse

W

 

where:

• Motor performance is graded with the extremity outstretched; the ability to resist gravity is timed for 10 seconds

• Complete definitions for the parameters are available from the authors (Department of Neurology, University of Cincinnati Medical Center, 231 Bethesda Avenue, Cincinnati, Ohio 45267-0525).

 

clinical stroke scale score =

= SUM(parameter points)

 

Interpretation:

• minimum score: 0

• maximum score: 36

• The higher the score, the more severe the infarct and the worse prognosis.

• There are 9 combinations for the clinical status changes (S S, S B, S W, etc.)


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