[Complete transitory atrioventricular block in Lyme disease]

A Batalla Celorio1, F González Camino, E Suárez Suárez

  • 1Sección de Cardiología, Hospital del Oriente de Asturias, Arriondas.

Insights

Cardiac Lyme disease is rare, but conduction disorders like atrioventricular block can occur. This case highlights transient atrioventricular block in a patient with Borrelia burgdorferi infection.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Medical Diagnostics

Background:

  • Lyme disease, caused by Borrelia burgdorferi, can affect multiple organ systems.
  • Cardiac involvement in Lyme disease is infrequent but significant, often presenting as conduction abnormalities.

Observation:

  • A patient with a history of multiple tick bites presented with symptoms suggestive of cardiac compromise.
  • Initial diagnostic evaluations revealed a positive serologic test for Borrelia burgdorferi.

Findings:

  • The patient experienced a transient atrioventricular block, a type of heart block affecting electrical signal transmission.
  • This specific cardiac manifestation is considered the most frequent and typical in Lyme disease patients.

Implications:

  • This case underscores the importance of considering Lyme disease in the differential diagnosis of conduction system disorders, particularly in endemic areas.
  • Early recognition and treatment of Lyme carditis are crucial for preventing long-term cardiac complications.

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