CASE REPORT

Spontaneous conversion to sinus rhythm in atrial fibrillation after dual antiplatelet and anticoagulant therapy in patients with unstable angina

Agha Bhargah, I Gusti Agung Bagus Krisna Jayantika, I Putu Yuda Prabawa, Ida Bagus Putra Manuaba

Agha Bhargah
Faculty of Medicine, Universitas Udayana, Bali-Indonesia

I Gusti Agung Bagus Krisna Jayantika
Department of Cardiology and Vascular Medicine, Bali Mandara General Hospital, Denpasar, Bali-Indonesia

I Putu Yuda Prabawa
Clinical Pathology Department, Faculty of Medicine, Universitas Udayana, Sanglah General Hospital, Denpasar, Bali-Indonesia

Ida Bagus Putra Manuaba
Postgraduate Program, Biomedicine Universitas Udayana, Bali-Indonesia. Email: [email protected]
Online First: October 17, 2020 | Cite this Article
Bhargah, A., Jayantika, I., Prabawa, I., Manuaba, I. 2020. Spontaneous conversion to sinus rhythm in atrial fibrillation after dual antiplatelet and anticoagulant therapy in patients with unstable angina. Bali Medical Journal 9(3): 557-560. DOI:10.15562/bmj.v%vi%i.2011


Introduction: Atrial fibrillation (AF) is a common arrhythmia and often becomes persistent with a high risk of thromboembolism event. Spontaneous conversion to sinus rhythm can occur in 50% of cases with new-onset AF. In this case report we report the spontaneous conversion of AF to sinus rhythm in patients with Unstable Angina without any thromboembolic complications.

Case description: A 65-year-old man with unstable angina pectoris (UA) with new-onset atrial fibrillation normal ventricular rate (AF-NVR) came to the Emergency Department Bali Mandara General Hospital. Patients have a history of uncontrolled hypertension and active smokers. Standard management of UA using dual antiplatelet, nitrates, and anticoagulants was given to this patient. There were no anti-arrhythmia drugs given to seek for AF cardioversion. Within 6 hours after initial therapy, spontaneous conversion of AF to sinus rhythm occurs. The patient was treated for five days in a stable condition without thromboembolic complications. Long-term anticoagulants were not given to patients because the CHA2DS2-Vasc score is less than two indicating a low risk of thromboembolism.

Conclusion: New-onset AF has the chance of spontaneous conversion to sinus rhythm within 48 hours, proper management of the trigger factors of AF and optimal rate control are determinants of prognosis. Provision of long-term anticoagulants must be based on the CHA2DS2-Vasc score.

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