Background : In large-scale general population studies involving children and adults. the prevalence of WPW is estimated to be 13 in 1000 individuals. At present. it is estimated that approximately 65% of adolescents and 40% of individuals over 30 years with WPW pattern on a resting ECG are asymptomatic. https://allfixelectricales.shop/product-category/handheld-vacuum-nozzle-clip/