<unk>  <unk>  is the name of a physical disorder where the Eustachian<unk> , which is normally closed, instead stays intermittently open. When this occurs, the person experiences autophony, the hearing of self-generated sounds. These sounds, such as one's own breathing, voice, and heartbeat, vibrate directly onto the ear drum and can create a "bucket on the head" effect.<unk>  is a form of eustachian<unk>  dysfunction (ETD), which is said to be present in about 1 percent of the general population.
Patulous Eustachian tube
Eustachian tube dysfunction
Persistent thyroglossal duct
Salivary gland hypoplasia
Velopharyngeal insufficiency
Salivary gland atresia
Tracheal agenesis
Velopharyngeal inadequacy