atrioventricular septal defect; HCM, hypertrophic cardiomyopathy; HLHS, hypoplastic left heart syndrome; TAPVR, total anomalous pulmonary venous return; PAPVR, partial anomalous pulmonary venous return; DORV, double outlet right ventricle; MVP, mitral valve prolapse; PS, pulmonary stenosis; AS, aortic stenosis Judicious fluid resuscitation based on clinical presentation may be employed If the patient is anemic and cyanotic, red blood cell infusion may be used to expand intravascular volume A urinary catheter should be inserted for fluid management Initiate inotropic support as needed with dopamine to 10 µg/kg/min Other inotropes to consider include epinephrine, norepinephrine, and milrinone