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A 35 year old man was brought in unconscious by the SCDF emergency…

- - - - fever, confusion, delirium
      - elevated temperature and increased heart rate
    - - increased heart rate, elevated blood pressure, diaphoresis
      - cold perspiration, light-headedness
    - - tachycardia, hypotension; DKA: Kussmaul's breathing, acetone breath
      - increased diuresis, hx of diabetes mellitus, seizures
    - - ascites, spider nevi, dilated peri-umbilical veins, ± jaundice
      - underlying hepatic failure, alcoholism
    - - ataxia
      - headache, behavioural changes, nausea, vomiting
    - - pale doughy skin, periorbital swelling, swollen tongue, hypothermia, bradycardia, slow relaxation phase of deep tendon reflexes, hypoventilation
      - puffy eyes, previous thyroid disorder, head injury, or pituitary injury
    - - absent vestibulo-ocular reflexes in hypothermic patient with preserved pupillary reflexes is a major clue
      - hypothermia; hx of alcoholism, malnutrition, gastric stapling
    - - severe muscle weakness
      - previous malnutrition with recent in-hospital feeding, deterioration with stupor, coma, myoclonus, seizures
    - - thirst, confusion, fever, convulsions, diarrhoea
      - dehydration
    - - mental slowing and impairment, personality changes, confusion
    - - abdominal pain, fatigue, muscle weakness, cramps, fractures, seizures
      - papilloedema, hyper-reflexia
  - - - hx of harmful use of alcohol and alcohol dependence
      - alcoholic breath and stigmata of chronic liver disease
    - - cherry red discoloration of mucous membranes and lips
- - - - transient apnoea, loss of pupillary reflexes, loss of corneal reflexes
    - - progressive impairment of consciousness, hemiparesis, oculomotor palsy, cranial nerve palsies, respiratory arrest, hypertension, hypotension
  - - - Numbness and weakness
      - Hypertension and facial paralysis
    - - visual disturbance and weakness
      - hypertension and hemiplegia
    - - vision loss and photopsia
      - quadriparesis, pseudobulbar palsy, papillary and ocular palsies
    - - headache, nausea and vomiting, seizures
      - papilloedema, hemiplegia
    - - initial severe headache, photophobia, neck stiffness
      - hemiparesis, oculomotor palsy, cranial nerve palsies
  - - - aphasia, paraphasic errors in speech, anomia, apraxia
      - malaise followed by speech difficulty, seizures, behavioural changes, impaired alertness
    - - similar to Subarachnoid haemorrhage
  - - - fever, headache, neck stiffness
      - meningococcal meningitis: petechial rash
  - - - Subarachnoid haemorrhage
  - - - bilateral synchronous convulsions, open eyes
    - - no convulsions, infrequently nystagmoid eye movements, or bilateral facial twitching