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Published on: April 7, 2015
Early disseminated Lyme disease: cardiac manifestations
1Division of Rheumatology, University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School, New Brunswick, USA.
Insights
Lyme carditis, a heart condition from Lyme disease, typically causes mild symptoms like heart block and is treatable with antibiotics. Early diagnosis is key, as some patients may be seronegative.
Area of Science:
- Infectious Diseases
- Cardiology
- Tick-borne Illnesses
Background:
- Lyme disease, a tick-borne illness, can affect the heart, causing Lyme carditis.
- Cardiac manifestations usually appear weeks to months after infection.
Purpose of the Study:
- To summarize the clinical features, diagnosis, and treatment of Lyme carditis.
- To highlight the potential for Lyme disease to cause chronic cardiac conditions.
Main Methods:
- Review of existing literature on Lyme carditis.
- Analysis of reported cases and clinical presentations.
Main Results:
- Lyme carditis often presents as mild myopericarditis or heart block.
- While generally treatable with antibiotics, severe outcomes and chronic cardiomyopathy have been reported.
- Diagnosis can be challenging due to potential seronegativity in early stages.
Conclusions:
- Lyme carditis is a significant cardiac manifestation of Lyme disease.
- Prompt diagnosis and appropriate antibiotic treatment are crucial for favorable outcomes.
- Consider Lyme carditis in patients with unexplained cardiac symptoms, especially in endemic areas.
Abstract:
The cardiac features of Lyme disease usually occur within weeks to months of the infecting tick bite; the result may be disruption of the conduction system, leading to heart block and muscle dysfunction, causing a mild myopericarditis. Lyme carditis is usually mild, although permanent heart block and a few fatalities claimed to be due to Lyme carditis have been reported, the latter usually with poor documentation. In general, Lyme carditis is treatable and curable with antibiotic regimens in current use. Recent reports have suggested that Lyme disease may be a cause of chronic congestive cardiomyopathy. Lyme carditis should be considered in the proper clinical setting with appropriate use of diagnostic tests, recalling that patients with carditis early in Lyme disease may be seronegative and that all patients who are seropositive do not necessarily have Lyme disease.
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