The British Medical Research Council (BMRC) distinguishes 3 clinical stages of tuberculous meningitis.
Parameters:
(1) level of consciousness
(2) focal neurological deficits
(3) other (meningismus, seizure activity)
Level of Consciousness
Focal Neurological Deficits
Other Findings
Stage
normal
none
I
lethargy
minor (cranial nerve palsy)
altered behavior, meningismus
II
stupor or coma
major (hemiparesis)
seizures, abnormal movements
III
Alternatively (Thao et al)
Glasgow Coma Scale
Focal Neurological Signs
15
any
11 to 14
NA
<= 10
Mortality Rate (1948)
Risk
< 10%
low
4 - 55%
moderate
37 - 87%
high
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Specialty: Infectious Diseases, Neurology
