Intraventricular Stasis In Cardiovascular Disease

Inclusion Criteria: * Patients over 18 years of age. * Sinus rhythm. * Meet one of the following criteria: * Diagnosis of non ischemic DCM and ejection fraction (EF) of LV less than 45% * Diagnosis of ischemic DCM and ejection fraction (EF) of LV less than 45% * Diagnosis of hypertrofic myocardiophathy and ejection fraction (EF) of LV less than 55% or apical aneurism diagnosed in an image test. Exclusion Criteria: * Implantable defibrillation or stimulation devices not compatible with MRI. * Hemodinamically significant heart valve disease or prosthetic heart valves. * Claustrophobia. * Persistent of paroxysmal atrial fibrillation (AF). * Prior history of significant carotid disease with stenosis greater than 50%. * Full anticoagulation therapy prior to admission or indication of anticoagulation. * Pro-thrombotic disorders (active oncology disease, coagulation disorders…)