A 70-year-old man presents to the emergency department with fever, tachycardia, hypotension and suspected pneumonia. Lactate is elevated and he is oliguric. According to sepsis management principles, which action is most important in the first hour?AObtain a CT scan before treatmentBCommence broad-spectrum intravenous antibiotics and intravenous fluidsCStart low-dose oral antibiotics and review in 24 hoursDWait for blood culture results before antibioticsEGive corticosteroids before any other therapyCheck my answer