A 55-year-old man presents with fever, hypotension (82/50 mm Hg), tachycardia 115/min, and lactate 4.8 mmol/L after suspected pyelonephritis. After obtaining blood cultures and starting broad-spectrum antibiotics, what is the next best step?AStart vasopressin as the first-line vasopressor.BGive a single 500 mL normal saline bolus and reassess later.CAdminister hydrocortisone immediately.DAdminister at least 30 mL/kg IV crystalloid within the first 3 hours.EInfuse 500 mL 5% albumin instead of crystalloids.Check my answer