Insights

Untreated Lyme disease can cause Lyme carditis, affecting up to 10% of patients with heart issues ranging from mild disturbances to severe heart failure. Early suspicion is key, even without a tick bite history, for prompt diagnosis and treatment.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Medical Case Reports

Background:

  • Lyme disease, a tick-borne illness, can manifest cardiac complications in up to 10% of infected individuals.
  • Cardiac involvement in Lyme disease (Lyme carditis) presents a spectrum of clinical severity, from asymptomatic conduction abnormalities to life-threatening arrhythmias and heart failure.

Observation:

  • A history of tick bite or Erythema migrans is often absent in patients with Lyme carditis, complicating early diagnosis.
  • Cardiac symptoms necessitate a high index of suspicion in patients from endemic areas with potential Lyme disease exposure.

Findings:

  • This report details a case of Lyme carditis presenting with varying degrees of atrioventricular block.
  • A review of existing literature on Lyme carditis is included to provide further context.

Implications:

  • Clinicians should maintain a low threshold for suspecting Lyme carditis in at-risk populations, irrespective of classic exposure markers.
  • Prompt recognition and management of Lyme carditis are crucial to prevent severe cardiac sequelae and improve patient outcomes.

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