Podcast
Questions and Answers
What is the commonest cause of indirect trauma leading to a ruptured eardrum?
What is the commonest cause of indirect trauma leading to a ruptured eardrum?
- Longitudinal temporal bone fracture
- Hand slap (correct)
- Otitic barotrauma
- Explosion
Which symptom is commonly associated with a ruptured eardrum?
Which symptom is commonly associated with a ruptured eardrum?
- Purulent discharge
- No or mild bloody otorrhea (correct)
- Severe bloody otorrhea
- No earache
What is the recommended treatment to avoid for a patient with a ruptured eardrum?
What is the recommended treatment to avoid for a patient with a ruptured eardrum?
- Nose blowing (correct)
- Antibiotics
- Ear drops
- Myringoplasty
Which type of perforation is commonly observed in a ruptured eardrum?
Which type of perforation is commonly observed in a ruptured eardrum?
What is the recommended surgical intervention if conservative treatment fails to heal the ruptured eardrum within three months?
What is the recommended surgical intervention if conservative treatment fails to heal the ruptured eardrum within three months?
Flashcards
Cause of ruptured eardrum (indirect trauma)
Cause of ruptured eardrum (indirect trauma)
A hand slap is the most common cause of indirect trauma leading to a ruptured eardrum.
Ruptured eardrum symptom
Ruptured eardrum symptom
No or mild bloody otorrhea is a common symptom of a ruptured eardrum.
Avoidable action for ruptured eardrum
Avoidable action for ruptured eardrum
Nose blowing is something that should be avoided when you have a ruptured eardrum.
Common ruptured eardrum perforation
Common ruptured eardrum perforation
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Surgical intervention for ruptured eardrum
Surgical intervention for ruptured eardrum
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Study Notes
Anatomy of the Middle Ear
- The middle ear is a crucial component of the ear, responsible for various functions.
Eustachian Tube
- The Eustachian tube connects the middle ear to the nasopharynx, allowing for the regulation of middle ear pressure.
- Key differences between the infant and adult Eustachian tube:
- Infant: shorter, more horizontal, and wider in diameter.
- Adult: longer, more vertical, and narrower in diameter.
- Functions of the Eustachian tube:
- Ventilation and regulation of middle ear pressure.
- Protective functions, including:
- Nasopharyngeal sound pressure.
- Reflux of nasopharyngeal secretions.
- Clearance of middle ear secretions.
Eustachian Tube Function Tests
- Valsalva test:
- Principle: positive pressure in the nasopharynx causes air to enter the Eustachian tube.
- Used to test Eustachian tube function.
- Politizer test:
- Done in children who are unable to perform the Valsalva test.
- Involves:
- Introducing an olive-shaped tip into the patient's nostril.
- Closing the other nostril and compressing the bag while the patient swallows or says "ik, ik, ik".
- Listening for a hissing sound through an auscultation tube.
- Can also be used therapeutically to ventilate the middle ear.
Rupture of the Tympanic Membrane
- Incidence: uncommon.
- Importance of understanding the anatomy and function of the Eustachian tube in relation to the tympanic membrane.
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