Related Experiment Videos
Lyme disease and the heart.
Fadi A Haddad1, Robert B Nadelman
1Division of Infectious Diseases, Department of Medicine, New York Medical College, Valhalla, New York 10595, USA.
Frontiers in Bioscience : a Journal and Virtual Library
|September 6, 2003
Summary
Lyme carditis, an infection by Borrelia burgdorferi, causes heart rhythm issues. Early diagnosis and treatment of Lyme disease improve outcomes and prevent complications.
Area of Science:
- Infectious Diseases
- Cardiology
- Epidemiology
Background:
- Lyme carditis is a cardiac manifestation of Lyme disease, caused by Borrelia burgdorferi.
- It typically presents as atrioventricular block weeks after infection, though myocarditis and pericarditis can also occur.
- Cardiomyopathy linked to B. burgdorferi is reported in Europe, but not the US.
Purpose of the Study:
- To review the clinical presentation, diagnosis, and management of Lyme carditis.
- To emphasize the importance of considering Lyme disease in patients with unexplained cardiac symptoms.
- To highlight diagnostic criteria and treatment strategies for Lyme carditis.
Main Methods:
- Review of clinical literature on Lyme carditis.
- Analysis of diagnostic approaches, including patient history and laboratory testing.
- Evaluation of treatment outcomes and prognosis.
Main Results:
- Lyme carditis presents with atrioventricular block, myocarditis, or pericarditis.
- Diagnosis relies on clinical suspicion (travel history, rash, symptoms) and serological testing.
- Absence of tick bite or rash does not exclude Lyme disease.
- Concurrent erythema migrans or positive 2-step antibody testing supports diagnosis.
- Clinical judgment is crucial due to potential false positives.
Conclusions:
- Lyme carditis generally resolves spontaneously.
- Antimicrobial therapy can shorten symptom duration and prevent sequelae.
- The prognosis for Lyme carditis is excellent with appropriate management.