| | | | | | The Medical Algorithms Project |
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| Chapter : | ch17. Neurology | Section : | Coma Scales | | Copyright (c) 2006-2007, Institute for Algorithmic Medicine, Houston, TX, USA. All rights reserved. |
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Overview :
The Japan Coma Scale (JCS) can be used to evaluate a patient
with impaired consciousness.
Parameters:
(1) consciousness level
(2) restlessness
(3) incontinence of urine and/or feces
|
Consciousness
Level |
Additional
Features |
Code |
|
awake without any stimuli |
fully or almost fully conscious |
1 |
|
|
unable to recognize time, place and person |
2 |
|
|
unable to recall name or date of brith |
3 |
|
rousable but reverts to previous state if stimulus
stops |
easily by being spoken to; responds with purposeful
movements, phrases and words |
10 |
|
|
with loud voice or by shaking of the shoulders;
responds with movements or very simple words |
20 |
|
|
only be repeated mechanical stimuli |
30 |
|
unrousable using any forceful stimuli |
responds to avoid the stimulus |
100 |
|
|
responds with slight movements, including decerebrate
or decorticate postures |
200 |
|
|
does not respond at all or with change in respiratory
rhythm |
300 |
|
Parameter |
Finding |
Code |
|
restlessness |
absent |
<none> |
|
|
present |
R |
|
incontinence |
absent |
<none> |
|
|
present |
I |
The person is designated by the consciousness level code then
the code(s) for restlessness and/or incontinence if present. For example, a
person with a consciousness level code of 20, restlessness but no incontinence
would be designated "20-R".
| | References: | |
Ohta T,
Kikuchi H, et al. Nizofenone administration in the acute stage following
subarachnoid hemorrhage. J Neurosurg. 1986; 64: 420-426. (Table 2, page
421).
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