03-26-2008, 10:19 PM
A 4-year-old spent a week on vacation with his parents at a Lake Michigan beach. During this time he learned to swim and spent many hours swimming and playing in the water. He spent most of the night after returning home fussing and crying because of left ear pain. The following day his mother takes him to his pediatrician who finds his left ear canal to be edematous and erythematous, and it contains a greenish otorrhea. Pain is increased by manipulation of the pinna and pressure on the tragus. The tympanic membrane is normal in appearance and mobility. Which of the following is the most likely pathogen producing this patient's symptoms?
A.. Haemophilus influenzae
B.. Pseudomonas aeruginosa
C..Moraxella catarrhalis
D..Streptococcus agalactiae
E...Escherichia coli
A.. Haemophilus influenzae
B.. Pseudomonas aeruginosa
C..Moraxella catarrhalis
D..Streptococcus agalactiae
E...Escherichia coli