Abstract
Objective: To report the case of a patient with a Patent Foramen Ovale (PFO), who developed a cryptogenic stroke, correlating with the data available in the literature about pathophysiology, clinical picture, diagnosis and treatment. Case details: Male F.C.L., 48 years old, without comorbidities, presented an episode of blurred vision associated with left rhyme deviation and loss of strength in the left upper limb, with return in less than 24 hours. He underwent cranial magnetic resonance imaging which proved ischemic stroke. Transesophageal echocardiography confirmed the diagnosis of PFO. Several complementary tests were performed, but there was no association with another etiology. The established approach was percutaneous occlusion of the foramen, together with drug treatment. Final considerations: It is of utmost importance to advance in studies that include cryptogenic stroke and its management, as well as its association with a patent foramen ovale, since diagnosis and treatment directly interfere in the patient's survival and quality of life.