ENT Flashcards
Hearing loss, vertigo and tinnitus which also presents with an absent corneal reflex is due to what pathology?
Acoustic neuroma
Absent corneal reflex due to affecting nearby cranial nerve 5
What are some drugs that can cause tinnitus?
Aspiring
Aminolglycosides
Loop diuretics
Quinine
What organism is most likely to be responsible for malignant otitis externa?
Pseudonomas aeruginosa
Which organism causes glandular fever?
Epstein Barr virus
Which blood test can diagnose Epstein Barr virus?
Paul Bunnel test
(EBV causes infectious mononucleosis of B lymphocytes so they produce an antibody which can be detected by the Paul Bunnel antigen)
In patients with glandular fever, which antibiotic should be avoided due to likelihood of causing an itchy maculopapular rash?
Amoxicillin / co-amoxiclav
How would uncomplicated otitis media be managed?
Analgesia
Antipyretics
(Only Abx if symptoms do not improve after 4 days)
Which nerve passes through the parotid gland?
Facial nerve
In which salivary gland is malignancy most likely?
Submandibular gland
Although most tumours occur in the parotid gland, but these are most likely to be benign
What is sialthiasis?
Salivary stones
In which glands are salivary stones most likely to occur?
Submandibular
Secretions here are thicker and richer in calcium
Facial nerve dysfunction affecting the forehead and the lower facial nerves is due to an upper or lower motor neurone lesion?
LMN
UMN is forehead sparing
In a sore throat when antibiotics are indicated, which antibiotic and for how long should it be prescribed?
Benzylpenicllim 10 days
Erythromycin if pen allergic
If antibiotics are indicated in otitis media, which is first line?
Amoxicillin
When are antibiotics indicated in otitis media?
If symptoms don’t improve after 4 days
If they are systemically unwell
If the tympanic membrane has perforated
If they are immunocompromised
A man present with bilateral tinnitus and hearing loss. There is family history of similar problems. Audiometry shows bilateral conductive hearing loss. What is the likely diagnosis?
Otosclerosis
Autosomal dominant
How can Bell’s palsy and Ramsay Hunt syndrome be differentiated between?
Both can cause facial weakness
Ramsay Hunt will present with otalgia and vesicles in the ear
What is the cause of Ramsay Hunt syndrome?
Reaction of varicella zoster virus in the geniculate ganglion of the facial nerve (CN VII)
What are some presenting features of Ramsay Hunt syndrome?
Ear pain
Vesicular rash
Facial nerve palsy
Vertigo and tinnitus
What is the most common cause of respiratory distress post thyroidectomy?
Haematoma
Presents within 24 hours (respiratory distress after 24 hours is likely due to hypoCa)
A patient reports paraesthesia and difficulty breathing 2 days post thyroidectomy. What is the most likely complication?
Hypocalcaemia secondary to parathyroid gland damage