GSTM1 and Pleural effusion: Scenario 4: A previously healthy 8-year-old girl was admitted to the PICU for septic shock. She received a total of 60 ml/kg of fluid resuscitation through an internal jugular venous catheter and appropriate antibiotics. Epinephrine was titrated up to 0.2 mcg/kg/min. At PICU: Body temperature 39°C, HR 170/min, RR 40/min, capillary refill is 4 s, ABP 100/70 mmHg, Cold extremities, good peripheral pulse. Hb 12 g/dL, ScvO2 60%, Lactate 5 mmol/L. Ultrasound shows adequate preload without pericardial nor pleural effusion. Which of the following is the appropriate inotrope/vasopressor?