Delirium laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vishal Khurana, M.B.B.S., M.D. [2]; Pratik Bahekar, MBBS [3]

Overview

Laboratory findings may differ according to etiology of delirium. Following investigations are done in delirium.

Laboratory Findings

• Complete blood count (CBC)
• Glucose
• Calcium
• Urinalysis
• Magnesium
• Blood urea nitrogen (BUN) / creatinine
• Arterial blood gases
• Pulse oximetry
• Vitamin B12
• Folate levels
• Thyroid function tests
• Urine cultures
• Blood cultures

If indicated

• Arterial blood gases
• Specific cultures eg urine, sputum