cough and expectoration for 2days, confusion for 1hour. physical examination findings: body temperature 38.8C, breathing 28 times/min, pulse 110beats/min, blood pressure 90/50mmHg, lethargy, lips mild cyanosis, coarse breath sounds on auscultation, rale can be heard in right lower lung, heart rate 110beats/min, regular heart beats, no edema in lower limbs. diagnosis: pulmonary infection severe. treatment: hospitalization
