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Transient prolonged corrected QT interval in Lyme disease

Stephen P Seslar1, Charles I Berul, Thomas R Burklow

  • 1Arrhythmia Service, Department of Cardiology, Children's Hospital, Boston, Massachusetts 02115, USA.

The Journal of Pediatrics
|June 2, 2006
PubMed

Insights

Lyme disease can affect the heart, causing atrioventricular block. This study reports a new finding: QT interval prolongation in three patients with Lyme carditis, a previously undocumented cardiac manifestation.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Electrophysiology

Background:

  • Lyme disease, a tick-borne illness caused by Borrelia burgdorferi, commonly presents with dermatologic, neurologic, or arthritic symptoms.
  • Cardiovascular involvement, known as Lyme carditis, is a recognized complication, typically manifesting as atrioventricular (AV) block.

Observation:

  • Three patients with confirmed Lyme disease presented with an unusual cardiac finding.
  • These patients exhibited significant QT interval prolongation on their electrocardiograms.

Findings:

  • QT interval prolongation is identified as a novel and previously unreported manifestation of Lyme carditis.
  • This finding expands the spectrum of cardiac complications associated with Borrelia burgdorferi infection.

Implications:

  • The recognition of QT interval prolongation in Lyme carditis is crucial for accurate diagnosis and patient management.
  • This observation necessitates a re-evaluation of cardiac monitoring protocols for patients with Lyme disease.
  • A proposed clinical management approach for this specific cardiac manifestation is discussed.

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