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KMID : 1040320200270030184
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Pediatric Infection & Vaccine
2020 Volume.27 No. 3 p.184 ~ p.189
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A Case of Lyme Disease Complicated with Atrioventricular Block in a 13-year-old Boy
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Ahn Bin
Kim Gi-Beom
Lee Hoan-Jong
Choi Eun-Hwa
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Abstract
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Lyme disease is a common vector-borne disease caused by Borrelia burgdorferi. Erythema migrans represents the most common manifestation during the early phase of this disease; however, systemic manifestations involving the nervous system, joints, or heart are known to occur. We report a case of Lyme disease accompanied by cardiac complications in a 13-year-old Korean male adolescent. The patient developed annular erythematous lesions on his lower extremities after a field trip during his visit to Connecticut, USA, for a boarding school camp, and his skin lesions were consistent with erythema migrans. Indirect immunofluorescence assay and Western blot analysis for Lyme immunoglobulin M showed positive results. Electrocardiography revealed a first-degree atrioventricular block, and he was diagnosed with Lyme carditis and received a 4-week course of oral doxycycline. Follow-up electrocardiography performed a week later revealed normal findings, and the patient showed an uneventful recovery. Lyme carditis often presents as an asymptomatic heart block that can progress to an advanced heart block; however, this condition is reversible with appropriate antibiotic treatment.
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KEYWORD
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Lyme disease, Lyme carditis, Atrioventricular block
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