A 58-year-old man presents with fever, tachycardia, hypotension (MAP 58 mm Hg), lactate 4.2 mmol/L, and suspected pneumonia. According to current sepsis bundles, what is the most appropriate initial action set within the first 3 hours?AAdminister 30 mL/kg IV crystalloid promptly, obtain blood cultures, and start broad-spectrum antibiotics nowBStart norepinephrine before fluids to rapidly raise MAPCGive 10 mL/kg crystalloid, wait for culture results, then start antibioticsDBegin dopamine as first-line vasopressor after limited fluidsEDelay antibiotics until a procalcitonin level is resultedCheck my answer