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Diagnostic Tests for Delusions

Diagnostic Test list for Delusions:

The list of diagnostic tests mentioned in various sources as used in the diagnosis of Delusions includes:

  • Mental state examination - including appearance, behavior, rate and continuity of speech, mood, affect, thought content, evidence of any hallucinations or abnormal beliefs, orientation to time, place and person, attention and concentration, short-term memory, insight and judgement.
  • Physical examination
    • Does the person smell of alcohol
    • Temperature
    • Neck stiffness may suggest meningitis or subarachnoid hemorrhage
    • Assessment of vision and hearing
  • Neurological examination to look for focal neurological signs and papilledema
  • Blood tests
    • Full blood count and ESR
    • Electrolytes, calcium, renal function tests
    • Blood sugar level
    • Liver function tests
    • Thyroid function tests
    • Blood cultures - if fever.
    • Syphilis testing - if appropriate.
    • HIV testing - if appropriate.
    • B12 assay - for deficiency which may suggest Subacute combined degeneration of spinal cord which in the late stages can cause cognitive impairment and confusion.
    • ANA antibody - to detect lupus erythematosus.
  • Urine tests
    • Urine microscopy and culture to detect urinary tract infection
    • Urine drug screen
  • Radiological investigations
    • CT scan or MRI brain - can detect many different causes of delirium e.g. brain tumor or detect changes typical of some types of dementia.
  • Spinal tap - may be required to diagnose multiple sclerosis, neurosyphilis, meningitis.
  • EEG - may be helpful in demonstrating drug intoxication, epilepsy.
  • Mini-mental state examination

Home Diagnostic Testing

These home medical tests may be relevant to Delusions causes:

Conditions listing medical symptoms: Delusions:

The following list of conditions have 'Delusions' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

Select from the following alphabetical view of conditions which include a symptom of Delusions or choose View All.

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Conditions listing medical complications: Delusions:

The following list of medical conditions have 'Delusions' or similar listed as a medical complication in our database.


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