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Tests and diagnosis
By Mayo Clinic staffAfter experiencing a febrile seizure, your child will likely have:
- A physical exam
- Blood tests
- Urine tests
These tests can help determine possible causes of the fever and seizure.
If your doctor suspects a central nervous system infection, a lumbar puncture (spinal tap) may be necessary. In this procedure, a doctor inserts a needle into your child's lower back to remove a small amount of spinal fluid. This test can reveal evidence of infection in the fluid that surrounds the brain and spinal cord.
Further tests such as an electroencephalogram (EEG) — a test that measures brain activity — may be necessary if your child had a complex febrile seizure.
References
- Febrile seizures fact sheet. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/febrile_seizures/detail_febrile_seizures.htm. Accessed Nov. 14, 2011.
- What do I do if my child has a febrile seizure? American Academy of Pediatrics. http://www.aap.org/publiced/BR_FebrileSeizures.htm. Accessed Nov. 14, 2011.
- American Academy of Pediatrics. Clinical practice guideline — Febrile seizures: Guideline for the neurodiagnostic evaluation of the child with a simple febrile seizure. Pediatrics. 2011;127:389.
- Febrile seizures. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/pediatrics/neurologic_disorders_in_children/febrile_seizures.html. Accessed Nov. 14, 2011.
- Bernard TJ, et al. Neurologic & muscular disorders. In: Hay WW, et al. Current Diagnosis & Treatment: Pediatrics. 20th ed. New York, N.Y.: The McGraw-Hill Companies; 2011. http://www.accessmedicine.com/content.aspx?aID=6585048. Accessed Nov. 13, 2011.
- Cendes F, et al. Vaccinations and febrile seizures. Epilepsia. 2011;52(suppl):23.
- Sullivan JE, et al. Fever and antipyretic use in children. Pediatrics. 2011;127:580.
- Hoecker JL (expert opinion). Mayo Clinic, Rochester, Minn. Nov. 10, 2011.
- Nickels KC (expert opinion). Mayo Clinic, Rochester, Minn. Nov. 21, 2011.
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