Final answer:
The nurse concluded that the patient has an infection based on the presence of a yellow/amber-colored tympanic membrane and a whiter and denser annulus at the periphery.
Step-by-step explanation:
The nurse concluded that the patient has an infection based on the presence of a yellow/amber-colored tympanic membrane and a whiter and denser annulus at the periphery. These findings are indicative of an infection in the middle ear.
AOM (Acute Otitis Media) is a common ear infection that results in the formation and accumulation of pus in the middle ear. The presence of a yellow/amber-colored tympanic membrane and a whiter and denser annulus suggest the presence of pus and inflammation.
The nurse should also consider other symptoms such as otalgia (ear pain), swelling of the eustachian tubes, and nonverbal signs like holding, tugging, or rubbing of the ear in response to the pain, to confirm the diagnosis of an ear infection.