What does a bulging tympanic membrane indicate?
What does a bulging tympanic membrane indicate? Summary. A bulging eardrum has many causes, from injury to ear infections. Prolonged bulging of the eardrum can potentially lead to eardrum rupture or hearing loss. What causes TM bulging? Bacteria or viruses are usually the cause. The infection causes inflammation and swelling of the eustachian tube. The tube narrows and fluid builds behind the eardrum, causing pressure and pain. What animals have a tympanic membrane? The tympanic membrane separates the middle ear from the outer ear, consisting in land mammals of an ear canal and an external pinna. Birds, most reptiles, aquatic...