The diagnosis of recurrent syncope in patients with pacemakers (PM) is quite challenging and the etiology of syncope is often multifactorial. To portray the mechanism of syncope in PM patients. we report the results of head-up tilt table testing (HUT) in a series of patients with PM. originally implanted for reasons other than neurally mediated syncope. https://www.lasreglasdejuego.com/product-category/beverages/