Cranial Nerve Reflexes
- 1. Critical in establishing level of damage in coma
- 2. Critical to finding a cause (focal—structural lesion; nonfocal—metabolic)
- 3. Pupil reaction: II input, III output
- 4. Doll’s eyes or cold water calorics: VIII input; III, IV, VI output
- 5. Gag: IX input, X output
- 6. Able to breathe: medulla function