Tetralogy of Fallot – Pre and Post Repair Echocardiogram Tetralogy of Fallot is the commonest cyanotic congenital heart disease in the adult. Large subaortic ventricular septal defect with
PFO detection by saline contrast echocardiography Patent foramen ovale can cause paradoxical embolism and stroke. Hence in every case of stroke, it is necessary to look for a