Echocardiography remains the gold standard for the diagnosis of chronic heart failure.
True
Tetralogy of Fallot includes atrial septal defect as a feature.
False, atrial septal is a feature of cardiac shunts. Tetralogy of fallot has ventricle septal defects
Patent ductus arteriosus is the most common cyanotic heart defect
False. The most common cyanotic heart defect is Tetralogy of Fallot (TOF)