英文原文:
A60-year-oldmanisevaluatedintheemergencydepartmentfora12-hourhistoryofseveregastricpain.Hehasapasthistoryofdiabetesmellitus,hypertension,andhyperlipidemia.Vitalsignsare:temperature39°C(.2°F),heartratebeats/min,bloodpressure/50mmHg,respiratoryrate25breaths/min,oxygensaturation98%onroomair.Formalabdominalultrasonographyrevealsgallbladderstones,a