The most common tachyarrhythmias in childhood are narrow QRS complex tachyarrhythmias. The majority of these are supraventricular tachycardia (SVT). If electrocardiography is inconsistent with typical SVT. another underlying arrhythmia should be considered. https://www.kaantaracing.com/product-category/food-servicewholesale-lots-industrialrestaurant-business-6/