to grow from the purulent drainage?
a. Pseudomonas aeruginosa
b. Staphylococcus aureus
c. Candida albicans
d. Haemophilus influenzae
e. Moraxella catarrhalis
Ear pain and drainage in an elderly diabetic patient must raise concern about malignant external otitis.
The swelling and inflammation of the external auditory meatus strongly suggest this diagnosis. This infection usually occurs in older diabetics and is almost always caused by P. aeruginosa. H. influenzae and M. catarrhalis frequently
cause otitis media, but not external otitis.