A 68-year-old man in ED with pneumonia is hypotensive (80/50 mmHg), tachycardic and has lactate 4 mmol/L. Despite a 1 L fluid bolus, MAP remains low. According to sepsis principles, what is the most appropriate next step?AStart vasopressor support with noradrenaline and continue fluid resuscitation while giving broad-spectrum antibioticsBDelay further treatment until blood cultures resultCGive only maintenance fluids and observeDStart high-dose steroids aloneEDischarge with oral antibioticsCheck my answer