An unconscious patient

Guillain-Barré syndrome (polyradiculitis)

Trigeminal neuralgia and other facial pain

Neuropsychological disorders

Aphasia

Headache

Ataxia

Transient global amnesia (TGA)

HIV infection

Macrocytosis (increased MCV)

Carbon monoxide poisoning

Chronic lymphocytic leukaemia (CLL)

Listeriosis

Cardiopulmonary resuscitation (CPR)

Delirium in the elderly

Ear wax

Drug poisoning

Tremor

Acute heat illnesses

Myocarditis