Lyme Carditis Presenting With Complete Heart Block and Wide Complex Escape Rhythm

Tex Heart Inst J. 2022 Sep 1;49(5):e207515. doi: 10.14503/THIJ-20-7515.


A 19-year-old woman with newly diagnosed Lyme disease presented with complete heart block and an accompanying escape rhythm with a right bundle branch block morphology. With antibiotics, her dysrhythmia resolved completely within 24 hours of presentation. This case highlights an unusual electrocardiographic manifestation of Lyme carditis.

Keywords: Lyme carditis; complete heart block; right bundle branch block.

Publication types

  • Case Reports

MeSH terms

  • Adult
  • Atrioventricular Block* / diagnosis
  • Atrioventricular Block* / etiology
  • Atrioventricular Block* / therapy
  • Bundle-Branch Block / diagnosis
  • Bundle-Branch Block / etiology
  • Electrocardiography
  • Female
  • Humans
  • Lyme Disease* / complications
  • Lyme Disease* / diagnosis
  • Lyme Disease* / drug therapy
  • Myocarditis* / complications
  • Myocarditis* / diagnosis
  • Myocarditis* / drug therapy
  • Young Adult

Grants and funding

Funding/Support: None