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Diagnostic Tests for Cognitive impairment

Diagnostic Test list for Cognitive impairment:

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

  • Physical examination
    • 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.
    • Cytogenetics for karyotyping e.g. looking for genetic syndromes e.g. Down's syndrome, Fragile-X syndrome
    • Serology for congenital infections in a child
    • Serum Creatinine phosphokinase in child not walking be 18 months if suspect Duchenne muscular dystrophy
    • Syphilis and HIV testing - if appropriate.
    • B12 assay for deficiency may suggest Subacute combined degeneration of spinal cord which can cause cognitive impairment
    • ANA antibody to detect lupus erythematosus
  • General appearance
    • Looking for any dysmorphic ( abnormality of shape) features of face and body e.g. Down syndrome, Cornelia de Lange syndrome, Prader-Willi syndrome, Soto's syndrome
  • Urine tests
    • Urine metabolic screening in children if suspect metabolic and storage diseases
    • Urine drug screen
  • Radiological investigations
    • CT scan or MRI brain can detect many different causes of cognitive impairment
  • Spinal tap - may be required to diagnose multiple sclerosis, neurosyphilis, meningitis.
  • EEG - may be helpful in demonstrating drug intoxication.
  • IQ test
  • Denver developmental screening test in children - compares all aspects of a child's development with a population of normal children at the same age.

Home Diagnostic Testing

These home medical tests may be relevant to Cognitive impairment causes:

Conditions listing medical symptoms: Cognitive impairment:

The following list of conditions have 'Cognitive impairment' 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 Cognitive impairment or choose View All.

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Conditions listing medical complications: Cognitive impairment:

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

 

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