Background: Sudden death is the leading cause of death in Chagas disease (CD). even in patients with preserved ejection fraction (EF). suggesting that destabilizing factors of the arrhythmogenic substrate (autonomic modulation) contribute to its occurrence. Objective: To determine baroreflex sensitivity (BRS) in patients with undetermined CD (GI). https://herbsdailyes.shop/product-category/contact-lens-care/