Friday, July 23, 2010

Gram Stain Question?

A 21 yr. old woman presents to the office with a 3 day duration of discomfort with urination increased frequency. She has noted that her urine has a strong odor as well. She denies fever, abdominal pain, back pain, vaginal discharge, or skin rash. She is sexually active and takes oral contraceptive pills. On examination, she is comfortable appearing and afebrile. She has no costovertebral angle tenderness. Abdominal exam is notable only for suprapublic tenderness. Microscopic examination of the sediment of a centrifuged urine sample reveals 10-15 white blood cells per high power field and numerous bacteria.


1). What types of organism would a Gram stain of the urine most likely show?


2). What is the most common etiologic agent of this infection?|||Gram negative rods may be present such as E. coli.

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