ArticleHeart rhythm O22025
Prevalence and frequency of arrhythmias and electrocardiographic abnormalities in Pakistan: An outpatient ECG-based study.
Article in Heart rhythm O2, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Little is known about the prevalence of arrhythmias in Pakistan. We assessed the frequency of arrhythmias and electrocardiographic (ECG) abnormalities among the Pakistani population, attending the outpatient department, categorized by age, gender, and geographic region. Objective: This study aimed to evaluate variations in arrhythmia prevalence and ECG abnormalities across a large sample of a South Asian population. Methods: This retrospective study analyzed 8746 ECGs from Aga Khan University Hospital in 2022. The ECGs were digitally saved, initially interpreted by an ECG-trained cardiac technician, reviewed by a junior cardiologist using the Minnesota Code, and validated by a senior cardiologist. An electrophysiologist resolved discrepancies to ensure accurate final results. Results: A total of 8746 ECGs were analyzed (56.86% from men). The prevalences of common arrhythmia were sinus bradycardia 8.53%, sinus tachycardia 5.08%, atrial fibrillation (AF) (1.17%), atrial flutter (AFL) (0.18%), first-degree atrioventricular (AV) block (1.31%), and other AV blocks (0.14%). Women had more sinus tachycardia (6.44%, Conclusion: This study details important information about arrhythmia prevalence in a large sample of a South Asian population. AF is more common in women, the elderly, and people from Khyber Pakhtunkhwa.
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