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(Low LVEF & Atrial Fibrillation)
My father (male, ~70 years) had two episodes of dengue within a short period: 1st episode: 25 January 2025 2nd episode: 15 March 2026 During both episodes, he developed cardiac complications: Low LVEF (~30–35%) Atrial Fibrillation Elevated Troponin (~50) in both episodes He has now been discharged on medical management. The treating doctor has advised: Holter monitoring Considering coronary angiography / MRI angio My questions: Can dengue infection alone cause recurrent low LVEF and atrial fibrillation in such a short span? Is this likely due to dengue-induced myocarditis, or could it indicate underlying coronary artery disease or chronic heart condition? How important is it to proceed with angiography in this situation? Is recovery of heart function (LVEF) possible after such episodes? Any guidance on prognosis and next steps would be helpful.
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Myocarditis can cause reduction in LVEF. My Cardace has a variable aetiology and many viral infections, including dengue can cause myocarditis. Coronary and geography is very important to rule out any underlying coronary artery disease Recovery of the LVEF is uncertain but not impossible.
Next Steps
Consult a cardiologist and plan the coronary angiogram
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.