ENT Flashcards
(95 cards)
key symptoms regarding the nose (history taking)
key 5 symptoms:
-Nasal obstruction
-Runny nose (anterior rhinorrhoea)
-Loss of sense of smell (hyposmia/anosmia)
-Nose bleeds (epistaxis)
-Facial pain
Other symptoms include:
-Post nasal drip
-Nasal itch
-Sneezing
-Ocular itching
key symptoms regarding the ear (history taking)
key 5 symptoms:
-Earache (otalgia)
-Ear discharge (otorrhoea)
-Hearing loss
-Tinnitus (the sensation of sound without any external stimulus)
-Dizziness
Other symptoms include:
-Aural blockage
-Itching
key symptoms regarding the throat (history taking)
key 5 symptoms:
- sore throat
- difficulty swallowing (dysphagia)
- pain on swallowing (odynophagia)
- hoarse voice (dysphonia)
- regurgitation
Other symptoms include
-A feeling of a lump in the throat
-Burning in the throat
-Weight loss
what systemic conditions may also affect the ears, nose and throat
- Asthma - strong association with allergic chronic rhinosinusitis
- Diabetes mellitus
- Hypertension
- Sarcoidosis
- Tuberculosis
- Granulomatosis with polyangitis (previously Wegener’s granulomatosis)
- Neurofibromatosis type 2
+ more
what are the lymph node levels in the neck
Level 1: Submental and submandibular
Level 2: Upper deep cervical
Level 3: Mid-deep cervical
Level 4: Lower deep cervical
Level 5: Posterior triangle
Level 6: Paratracheal
Level 7: Upper mediastinal
what is a quinsy
how is it managed
also known as a peritonsillar abscess - complication of acute tonsillitis
don’t normally respond to antibiotics alone - need to be drained
done under local anaesthetic either by aspiration of pus or by incision and drainage with a knife
why does earache often occur with a sore throat
glossopharyngeal nerve supplies sensation to the throat but also to the ear
common causes of referred otalgia
dental infection
pharyngeal pathology
temporomandibular joint
where is the auditory cortex located?
superior temporal gyrus of the temporal lobe and extends in to the lateral sulcus and the transverse temporal gyri
how does auditory signal pass from the cochlea to the auditory cortex
The auditory signal passes along the cochlear nerve to the cochlear nucleus in the brainstem
Most then crosses to the contralateral side
The signal then passes up the brainstem through the superior olivary nucleus and then the lateral lemniscus in the midbrain to the inferior colliculus
Then passes through the medial geniculate body to the auditory cortex
what is the order of the ossicle bones from lateral to medial
malleus, incus, stapes
what is the chorda tympani
a branch of the facial nerve that carries taste fibres to the anterior two thirds of the tongue
also carries parasympathetic secretomotor fibres to the submandibular and sublingual glands.
What does otorrhoea as a symptom reflect
pyorrhoea/discharge from ear signifies Infection or inflammation in the middle ear
Acute otitis external presentation
Painful generalised swelling of external ear canal which is often moist and may be purulent discharge present
earache
hearing loss
history of swimming
Risk factors otitis external
Water entering ear
Skin conditions e.g. eczema or psoriasis
Instrumentation of the ear e.g. with cotton buds
What organisms commonly cause otitis externa
Staph aureus
Pseudomonas auriguinosa
Fungal; aspergillosis Niger
Simple otitis externa management
Keep ear dry
Analgesia
Topical antibiotics drop (+/- steroid containing)
- cipro or gent
Perichondritis due to otitis external
Complication of OE where the cartilage of the pinna is inflamed
If unwell with this needs referral to ENT
Management if OE becomes more severe I.e. external canal is swollen closed, pt systemically unwell
Continue topical drops via aural wick
Gentle micro suction of the ear
Admit and Start IV antibiotics
Complications of OE
Early:
Facial cellulitis
Otomycosis
Perichondritis
Late:
Canal stenosis with hearing loss
Osteomyelitis of the temporal bone
Osteomyelitis of the temporal bone
Also called necrotising otitis external - Complication of OE where infection spreads to underlying bone especially in those immunocompromised or with diabetes
Can affect cranial nerves particularly CNVII
If left untreated can cause sensorineural hearing loss and is potentially life threatening
Treatment of Osteomyelitis of the temporal bone
Topical antibiotics continued
+ IV Antibitoics for at least 6 weeks!
Causative organism is usually pseudomonas aeruginosa but liase with micro
Complications of Osteomyelitis of the temporal bone
Abscess of or around bone or cerebral abscess
CN palsy
Meningitis
Seizures
What can cause a hole in the tympanic membrane
Iatrogenic e.g. grommet insertion
Trauma
Recurrent infections