Abstract

Objective: To find out the prevalence of different types of arrhythmias in children with congenital heart defects (CHDs) presenting at a tertiary care hospital. Study Design: Cross-sectional study. Setting: Department of Pediatrics, Rai Medical College Teaching Hospital, Sargodha Pakistan. Period: July 2021 to June 2022. Material & Methods: A total of 120 children of both genders aged 1 day to 16 years and presenting to study setting with confirmed CHDs were evaluated. At the time of enrollment, demographical information and disease history were noted. Necessary laboratory investigations like complete blood count and serum electrolytes were analyzed while standard electrocardiography (ECG) was performed. Prevalence of different types of arrhythmias was noted. Results: In a total of 120 children with CHDs, 64 (53.3%) were boys. Mean age was be 2.7±2.1. Most common electrolyte abnormalities were noted to be hyponatremia and hypermagnesemia found in 39 (32.5%) and 26 (21.7%) children respectively. There were 31 (25.8%) children who were diagnosed to have arrhythmias. Out of these 31 children, first degree A-V block was the most common types of arrhythmias observed in 24 (77.4%) cases while ectopic A-V rhythm were found in 3 (9.7%). Conclusion: The findings of this research revealed that arrhythmias are quite common among children having CHDs. There is a need to routine assessment for the possible presence of arrhythmias among children presenting with CHDs.

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