A 15-year-old boy presents with right ear pain, a sensation…
A 15-year-old boy presents with right ear pain, a sensation of fluid, and mild hearing loss in the right ear that began 3 days ago after returning from a camping trip, where he swam in a lake multiple times. He reports that the pain is worsening. On physical examination: Left ear: Normal Right ear: Pain is elicited when the auricle is tugged The ear canal is edematous and erythematous Whitish exudate is present The tympanic membrane is partially visible and appears intact and non-erythematous What is the most likely diagnosis?