Introduction:

cardiovascular complications due to COVID-19 infection are very frequent. However, these complications are rarely reported as a vaccine reaction.

Case presentation:

a female patient with no significant cardiovascular history developed functional class deterioration 14 days after her third dose of the BBIBP-CorV vaccine, along with three syncopal episodes. She was seen at a primary care level and an electrocardiogram was ordered which showed Mobitz 2 atrioventricular block which progressed to a complete block. Molecular tests for COVID-19 infection were negative, as were immunological studies for collagen disease, Chagas, and viral myocarditis. A transthoracic echocardiogram showed no regional kinetic disturbances, and the ejection fraction was preserved at 60%. Cardiac magnetic resonance imaging showed edema in the T2-STIR sequences, and subepicardial enhancement in the medial distal lateral region was compatible with acute myocarditis. The patient required a permanent pacemaker.

Discussion:

electrical or mechanical dysfunction secondary to a COVID-19 vaccine is anecdotal, with few reports in the literature. In a review of both the 2021 European Society of Cardiology and the 2018 American Heart Association Guidelines on cardiac pacing and cardiac resynchronization therapy, no recommendation was found for these types of events associated with COVID-19 or following vaccination. An international network should be created to report these events and thus determine general management guidelines. For now, the recommendations must be individualized for these patients. (Acta Med Colomb 2022; 48. DOI:https://doi.org/10.36104/amc.2023.2602).

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