A Case of Complicated Urinary Tract Infection: Klebsiella pneumoniae Emphysematous Cystitis Presenting as Abdominal Pain in the Emergency Department.

THIS CASE REPORT DESCRIBES AN ATYPICAL PRESENTATION OF AN ATYPICAL DISEASE ENTITY: Emphysematous Cystitis, a rapidly progressive, ascending urinary tract infection, in an emergency department (ED) patient whose chief complaint was abdominal pain and who had a urinalysis not consistent with the diagnosis of cystitis.