A 55-year-old male with diabetes mellitus and chronic kidney disease (eGFR 35 mL/min/1.73m²) presents with a 3-day history of fever, purulent ear discharge, and severe otalgia. Otoscopy reveals granulation tissue in the external auditory canal. Culture of ear discharge grows Pseudomonas aeruginosa. Blood glucose is 280 mg/dL. What is the most appropriate immediate next step in management?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.