The evaluation of hypotension begins with a medical history and physical examination.

Physical findings in someone with hypotension may include:

• Lower than normal blood pressure reading
• Confusion
• Lethargy:
• A condition of excessive sleepiness or drowsiness.
• Coma
• Cyanosis
• Excessive sweating
• Pale skin
• Rapid breathing
• Rapid pulse

Tests are usually necessary to determine the cause of hypotension.

Tests that may be used to evaluate hypotension include:

• Arterial blood gas analysis
• Blood cultures
• Chest x-ray
• Complete blood count
• Electrocardiogram
• Electrolyte profile
• Kidney profile
• Liver profile
• Urinalysis