A 65-year-old woman presents to ED with confusion, temperature 39.5 °C, hypotension and tachycardia. She has a urinary catheter and cloudy urine. According to sepsis management principles, which action is most critical in the first hour?AObtain blood cultures and delay antibiotics for 6 hoursBAdminister broad-spectrum intravenous antibiotics after cultures and start fluid resuscitationCWait for urine culture results before starting treatmentDGive oral antibiotics onlyEFocus solely on antipyretics for feverCheck my answer