BackgroundPerformance of cardiopulmonary resuscitation (CPR) causes significant mental stress for rescuers. especially if performed by inexperienced individuals. Our aim was to study electrocardiogram (ECG) alterations in rescuers and its association with gender and CPR performance. MethodsWe included 126 medical students in this prospective. https://midwaysportes.shop/product-category/bat-grip/