ENT Passmedicine Flashcards
What is otosclerosis?
Replacement of normal bone by vascular spongy bone
What kind of deafness does otosclerosis cause?
Progressive conductive deafness
Why do you get deafness in otosclerosis?
The stapes becomes fixed at the oval window
How is otosclerosis inherited?
Autosomal dominantly
When is the typical onset of otosclerosis?
20-40y
What are the clinical features of otosclerosis?
Conductive deafness
Tinnitus
Normal tympanic membrane (10% have flamingo tinge caused by hyperaemia)
+ve FH
How do you manage otosclerosis?
Hearing aid
Stapedectomy
What is Meniere’s disease?
Disorder of the inner ear of unknown cause
What is Meniere’s characterised by?
Excessive pressure and progressive dilation of the endolymphatic system
In which age group is Meniere’s most common?
Middle aged
What are the features of Meniere’s?
Recurrent episodes of vertigo, tinnitus and sensorineural hearing loss
Sensation of aural fullness/pressure
Nystagmus
Positive Romberg test
How long do the symptoms last in episodes of Meniere’s?
minutes to hours
Are symptoms of Meniere’s typically bilateral or unilateral?
Unilateral usually
What is the natural history of Meniere’s?
Symptoms tend to resolve after 5-10 years
Majority are left with hearing loss
What is involved in the management of Meniere’s?
ENT assessment req. for diagnosis
Inform DVLA (cease driving until adequate control of sx)
Rx of acute attacks and prevention
How do you treat acute attacks in Meniere’s?
Buccal/IM prochlorperazine
How do you prevent attacks in Meniere’s?
Betahistine and vestibular rehabilitation exercises
What drugs can cause gingival hyperplasia?
Phenytoin
Ciclosporin
CCB, esp nifedipine
What conditions can cause gingival hyperplasia?
AML
What are complications of tonsillitis?
Otitis media
Quinsy/peritonsillar abscess
Rheumatic fever + GN very rarely
When do NICE recommend tonsillectomy should be considered?
If they meet all of the following:
- Sore throats are due to tonsillitis
- Person has 5+ episodes pa
- Symptoms been occurring for at least 1 year
- Episodes of sore throat are disabling + prevent normal functioning
What are some established indications for a tonsillectomy?
Recurrent febrile convulsions 2ndary to tonsillitis
Obstructive sleep apnoea/stridor/dysphagia due to enlarged tonsils
Quinsy unresponsive to standard Rx
What are the primary complications of tonsillectomy?
Occur within 24h:
- Haemorrhage
- Pain
What are the secondary complications of tonsillitis?
Occur after 24h:
- Haemorrhage (mostly due to infection)
- Pain