Cerebrospinal fluid results and visual and brain stem auditory evoked potentials
| Patient 1 | Patient 2 | ||
|---|---|---|---|
| *Adopted from the UK Proposed National Guidelines for analysis of cerebrospinal fluid for bilirubin in suspected subarachnoid haemorrhage (2001).20 | |||
| BAEP, brain stem auditory evoked potentials; CSF, cerebrospinal fluid; VEP, visual evoked potentials. | |||
| December 2001 | August 2002 | ||
| CSF | White cell count | <1 | 6 |
| Red cell count | 40 | 2355 | |
| Protein (g/l) | 1.2 | 1.09 | |
| Glucose (mmol/l) | 3.8 | 3.7 | |
| Ferritin (<12μg/l) | 90 | 31 | |
| Spectrophotometry | Oxyhaemoglobin | No oxyhaemoglobin | |
| Net bilirubin absorbance* (<0.007) | 0.018 | 0.003 | |
| Blood glucose (mmol/l) | 4.2 | 4.4 | |
| BAEP | Absent at 90 dB | Absent at 90 dB | |
| VEP | Normal latency | Normal latency | |