- Physical
Status
- History
- Physical
and neurologic examination
- Review
of vital signs and anesthesia record if postoperative
- Review
of general medical records
- Careful
review of medications and any correlation with behavioral
changes
- Mental Status
- Interview
- Cognitive
tests (eg, clock drawing, digit span, Trailmaking)
- Basic Laboratory
Tests for All Patients with Delirium
- Blood
chemistries (electrolytes, glucose, calcium, albumin, urea
nitrogen, creatinine, aspartate transaminase [SGOT], alanine
transaminase [SGPT], bilirubin, alkaline phosphatase, magnesium,
and phosphate)
- Complete
blood count
- Electrocardiogram
(ECG)
- Chest
x-ray
- Measurement
of arterial blood gases or oxygen saturation
- Urinalysis
- Additional
Laboratory Tests As Indicated by Individual Clinical Conditions
- Urine
culture and sensitivity
- Serum
and Urine drug screen
- Blood
tests (eg, venereal disease reference laboratory [VDRL] test,
heavy metal screen, vitamin B12 and folate levels, anti-nuclear
antibody [ANA], urine porphyrins, ammonia, HIV
- Blood
cultures
- Measurement
of serum drug levels (eg, digoxin, lithium, theophylline,
phenobarbital, cyclosporine)
- Lumbar
puncture (LP)
- Computed
tomography or magnetic resonance imaging of the brain
- Electroencephalogram
(EEG)
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