A 72-year-old with septic shock from pneumonia received 30 mL/kg IV balanced crystalloids; MAP remains 58 mm Hg. Lactate is 4.2 mmol/L. Blood cultures are obtained. What is the next best step?ADefer antibiotics until culture results are backBStart vasopressin as first-line vasopressor before antibioticsCAdminister IV hydrocortisone now, defer antibioticsDAdminister broad-spectrum IV antibiotics within 1 hour of recognitionETransfer to ICU and begin antibiotics after arrivalCheck my answer