Case Report

An Unusual Presentation of Acute Weakness: Acute Inflammatory Demyelinating Polyneuropathy in a Patient with Psychiatric Illness

Table 1

Brighton diagnostic case classifications.

Level of Diagnostic CriteriaLevel 1Level 2Level 3

Diagnostic Criteria(i) Decreased or absent DTR’s in affected limbs
(ii) Time elapsed from onset to nadir from 12H to 28 days with a monophasic course
(iii) Symmetric and flaccid weakness in affected limbs
(iv) CSF Cell Count less than 50 per uL 
(v) Elevated CSF protein concentration 
(vi) Nerve study findings consistent with GBS variants
(vii) Alternative diagnosis likely or present
(i) Decreased or absent DTR’s in affected limbs
(ii) Time elapsed from onset to nadir from 12H to 28 days with a monophasic course
(iii) Symmetric and flaccid weakness in affected limbs
(iv) CSF Cell Count less than 50 per uL
(v) Elevated CSF protein concentration
(vi) Nerve study findings consistent with GBS variants
(vii) Alternative diagnosis likely or present
(i) Decreased or absent DTR’s in affected limbs
(ii) Time elapsed from onset to nadir from 12H to 28 days with a monophasic course
(iii) Symmetric and flaccid weakness in affected limbs
(iv) Alternative diagnosis likely or present

The criterion may or may not be present.