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Year : 2022  |  Volume : 11  |  Issue : 2  |  Page : 45-51

Electrocardiographic abnormalities in prevalent infections in tropical regions: A scoping review

Department of General Medicine, Government Medical College and Hospital, Chandigarh, India

Correspondence Address:
Gautam Jesrani
Department of General Medicine, Government Medical College and Hospital, Chandigarh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2221-6189.342660

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Cardiovascular manifestations and electrocardiographic abnormalities have been reported among some prevalent infections in tropical regions, which lead to a great amount of morbidity and mortality. The major infectious diseases include chikungunya, dengue fever, H1N1 influenza, and coronavirus disease-19 (COVID- 19) in the viral category, leptospirosis, salmonellosis, scrub typhus and tuberculosis in the bacterial category, and malaria in the protozoan parasite category. All these infirmities constitute a foremost infection burden worldwide and have been linked to the various cardiac rhythm aberrancies. So we aimed to identify and compile different studies on these infections and associated acute electrocardiographic (ECG) changes. The search was made in online international libraries like PubMed, Google Scholar, and EMBASE, and 38 most relevant articles, including original research, systematic reviews, and unique case reports were selected. All of them were evaluated thoroughly and information regarding ECG was collected. Myocarditis is the predominant underlying pathology for rhythm disturbance and can be affected either due to the direct pathogenic effect or the abnormal immune system activation. ECG variabilities in some infections like chikungunya, scrub typhus, and leptospirosis are associated with longer hospital stay and poor outcome. Tropical infective diseases are associated with prominent acute cardiac rhythm abnormalities due to myocarditis, which can be identified preliminarily by ECG changes.

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