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synonyms:
Lyme Disease ICD-10
Lyme Disease ICD-9
Lyme Disease Etiology / Epidemiology / Natural History
- Caused by the spirochete Borrelia burgdorferi which is carried by the deer tick Ixodes dammini as well as other ticks.
- Most prevalent in the Northeast, upper Midwest and far West.
Lyme Disease Anatomy
Lyme Disease Clinical Evaluation
- Erythema migrans: classic skin lesion with erythema expanding from the site of a tick bite.
- Variable constitutional, flulike symptoms.
- Athralgia (80%): most commonly the knee.
- Cardivascular symptoms (4-8%): cardiac conduction block
- Neurologic symptoms (15%): Bell's palsy, cranial nerve palsy
- Chronic stage = recurrent arthralgias, fatigue, polyradiculopathy, encephalopathy (inability to concentrate, memory loss).
Lyme Disease Xray / Diagnositc Tests
- Blood test for Borrelia titer
Lyme Disease Classification / Treatment
- If tick is removed within 24 hours the risk of Lyme disease is minimal. Ticks are best removed with gentle teasing with fine tweesers.
- Doxycycline 100mg PO BID for 10-30 days
- Amoxicillin 500mg PO TID; 30mg/kg/day for peds.
Lyme Disease Associated Injuries / Differential Diagnosis
- Arthritis
- Fibromyalgia
- Rheumatic fever
- Idiopathic Bell's palsy
- Meningitis
- Multiple sclerosis
- Peripheral neuritis
- Reiter syndrome (iritis, urethritis)
Lyme Disease Complications
- recurrent arthralgias
- fatigue
- polyradiculopathy
- encephalopathy
Lyme Disease Follow-up Care
Lyme Disease Review References
- www.canlyme.com
- Griffin LY, Essentials of Musculoskeletal Care 3rd edition, AAOS, 2005
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