450) A 74 year old man with poorly controlled Diabetes Type II presents to your office with complaints of severe right ear pain since yesterday night. The Pain was particularly worse in the night and interfered with his sleep. He took some Advil but pain persisted. He also reports headache on right temporal aspect. On examination, his right external auditory canal is slightly red and swollen and extremely tender to touch. There is some white debris and granulation tissue at the junction of bone and the cartilage. Laboratory studies show normal WBC count with no left shift. Which of the following additional tests is useful in supporting the diagnosis?
A) Comprehensive metabolic panel
B) Erythrocyte Sedimentation Rate
C) Anti-nuclear antibodies
D) Hemoglobin A1C.
E) Screening nares for MRSA ( Methicillin Resistant Staph. Aureus)
451) What is the most important next step in management?
A) Oral Cephalexin
B) Surgical resection
C) Intravenous Ciprofloxacin
D) Intravenous Ceftriaxone
E) Ciprofloxacin ear drops