Dizziness

CLINICAL DIAGNOSTIC MANUAL

Causes	Symptoms and Signs	Diagnostic Tests
Hyperventilation	Dizziness, rapid breathing	Measurement of oxygen and carbon dioxide levels in the blood.
Postural Hypotension	Dizziness upon standing, blurred vision, possible loss of consciousness	Orthostatic tilt test
Anaemia	Fatigue, pallor, dizziness, lack of concentration	Blood tests: haemoglobin, ferritin
Hypoxia	Dizziness, difficulty breathing, confusion	Pulse oximetry
Carotid Sinus Hypersensitivity	Dizziness when turning the neck, possible fainting	Carotid sinus massage manoeuvre with blood pressure monitoring
Epilepsy	Dizziness accompanied by seizures, loss of consciousness	Electroencephalogram (EEG)
Medications	Dizziness, grogginess, changes in blood pressure	Review of medication list and adjustment as necessary