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Transient complete AV block in Lyme disease. Electrophysiologic observations
M R van der Linde1, H J Crijns, K I Lie
1Department of Cardiology, University Hospital Groningen, the Netherlands.
Chest
|July 1, 1989
Summary
Lyme disease can cause complete atrioventricular (AV) block and intra-atrial conduction issues. Prompt treatment led to significant recovery of the heart
Area of Science:
- Cardiology
- Infectious Diseases
- Electrophysiology
Background:
- Lyme disease is a tick-borne illness that can affect cardiac function.
- Atrioventricular (AV) block is a known cardiac manifestation of Lyme disease.
Observation:
- A patient presented with complete AV block and intra-atrial conduction disturbances.
- These cardiac abnormalities were attributed to Lyme disease.
Findings:
- Electrocardiographic and electrophysiological (EP) studies indicated extensive involvement of the AV conduction system.
- The findings suggest Lyme disease may cause more severe conduction system affection than previously reported.
Implications:
- Complete AV block in Lyme disease may indicate a broader impact on the cardiac conduction system.
- Early intervention resulted in rapid and near-complete resolution of conduction abnormalities.
- This highlights the importance of recognizing and treating Lyme carditis promptly.