A 70-year-old with suspected sepsis has a NEWS2 score of 7. According to UK Sepsis guidelines, which is the immediate management approach?AObtain blood cultures and wait for resultsBFluid resuscitation, IV antibiotics within 1 hour, measure lactateCOral antibiotics after 24 hours observationDGive oxygen only if saturations <80%EStart prophylactic low-molecular-weight heparin onlyCheck my answer