Otologic Trauma — Flashcards

Flashcard 1: _____ otosclerosis is the most common type of otosclerosis.

Answer: Stapedial

Flashcard 2: What phenomenon explains why hearing may paradoxically improve in a patient with tubotympanic disease when there is ear discharge?

Answer: Round window shielding effect

Extra: In tubotympanic CSOM with a large perforation, sound waves may reach both the oval and round windows simultaneously, leading to sound cancellation and hearing loss. If discharge or a 'patch' covers the round window, it restores the phase difference between the two windows, paradoxically improving hearing.

Flashcard 3: Is myringotomy recommended for a bulging pus filled tympanic membrane with a impending rupture?_____

Answer: Yes

Flashcard 4: Persistent middle ear effusion beyond _____ weeks is managed using a myringotomy

Answer: 12

Flashcard 5: _____ phenomenon is a feature of cochlear pathologies like an Meniere's disease.

Answer: Recruitment

Flashcard 6: Parietal blow often leads to _____ fractures of the temporal bone

Answer: longitudinal

Flashcard 7: What is the presenting symptom of otosclerosis?_____

Answer: Hearing loss

Flashcard 8: In serous otitis media, a _____ incision is made in the anteroinferior quadrant of the tympanic membrane.

Answer: radial

Flashcard 9: The following instrument is: _____

Answer: Myringotome

Flashcard 10: _____ retractor is used for endaural approach for ear surgery

Answer: Lempert's endaural