A 67-year-old man with a 40-pack-year smoking history and COPD presents with fever, productive cough and pleuritic chest pain. He is confused, BP 88/54 mm Hg, RR 32, SpO₂ 88% on room air. CURB-65 score is 4. What is the most appropriate disposition?ATreat as outpatient with oral antibioticsBAdmit to general wardCAdmit to intensive care unit for close monitoring and possible organ supportDSend home with follow-up in 48 hoursEObserve in ED for 4 hours then discharge if improvedCheck my answer