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224 Cards in this Set

  • Front
  • Back

What does pulsatile tinnitus suggest?

A vascular tumour or malformation

What might be the cause of popping or cracking noise in the ears?

Eustachian tube dysfunction

What causes conductive hearing loss?

Blockage of the middle/outer ear e.g. XS wax


Abnormality in the structure of the outer eat/ear canal/middle ear


Ruptured ear drum

What causes sensorineural hearing loss?

Presbycusis


Ototoxic drugs


Infectious diseases


Birth complications


Trauma


Auditory neuromas


Genetic predisposition


Menieres Disease

Name 4 methods of diagnosing conductive hearing loss in children

Audiometry - subjective test to determine patient's threshold


Audiometry brainstem response (ABR) - objective test, can identify central hearing loss. No response from pt is necessary


Otoacoustic emmisions - screening of neonates and children


Typanometry - Stiffness/compliance of eardrum

Type A: normal peak with normal compliance

Type Ad: hyperflaccid ear drum or disruption of ossicles

Type C: Indicates negative middle ear pressure e.g. with developing or resolving otitis media

Type B (low compliance): Indicates fluid in the middle ear making the drum stiff

Normal hearing audiogram

Right ear congestion --> conductive hearing loss. Difference in bone and air conduction

Left sided Menieres. Low frequency sensorineural loss.

Noise induced hearing loss in right ear. Note the dip at 4kHz

Otosclerosis - Carhaarts notch at 2kHz on masked bone conduction.

Presbyacusis - bilateral, symmetrical, high frequency sensori-neural hearing loss

Cookie bite hearing loss - usually congenital so check siblings

Tympanosclerosis - calcification of tissue in tyrannic membrane and middle ear e.g. after infection or trauma.

Glue ear - otitis media with effusion. May have fluid level and prominence of blood vessels

Cholesteatoma - sac/cyst of epidermal and connective tissue in the middle ear. Usually in attic/epitypanic part of middle ear.

Granulation - red, raised lesion on posterior aspect of drum. May indicate underlying pathology

Polyp

How can you differentiate between otitis externa and a middle ear infection?

Otitis externa produces watery discharge as there are no mucinous glands.

What is a positive Rinne's test?

Normal hearing, when air conduction is louder than bone conduction.

When might someone have false negative cross hearing?

With severe sensorineural deafness in 1 ear the bone conduction may travel through the skull and be "heard" in the opposite ear indicating a negative Rinne's

What is meant when the sound from Weber's test lateralises to the worse ear?

A conductive loss in that ear.

What is meant when it lateralises to the better ear?

A sensorineural hearing loss in the hard of hearing ear.

Describe the presentation of cholesteatoma

Peak age 5-15 years.


Foul discharge +/- deafness, headache, pain, facial paralysis and vertigo which indicate impending CNS complications

List some complications of cholesteatoma - think about why they happen!

Facial paralysis


Meningitis/Intracranial abcess


Conductive deafness (ossicle erosion)


Vertigo (erosion through labyrinth/semi circular canal)


Sensorineural deafness


Sinus thrombosis (erosion in to the sigmoid sinus)

What causes otosclerosis?

Spongy bone formation around the oval window --> conductive deafness


May progress to replies labyrinth --> sensorineural deafness


It is an inherited autosomal dominant disorder.

Schwartze's sign = reddish blue discolouration over promontory and oval window niche due to vascular hyperaemia of abnormal immature bone.

How might you manage a patient with otosclerosis?

Watchful waiting


Stapedectomy


Hearing aid

What kind of deafness is associated with noise exposure?

Usually sensorineural deafness but may be conductive if tympanic membrane ruptures.


Also causes tinnitus

Patient has difficulty hearing speech in the presence of background noise but normal hearing test results.


Diagnosis?

Obscure auditory dysfunction (King Kopetzky syndrome)

What is obscure auditory dysfunction?

A type of auditory processing disorder affecting the way the brain processes auditory information.

Management of obscure auditory dysfunction?

Audiometry, neurologic electrophysiological tets, behavioural tests, dichotic speech tests


Environmental modifications


Auditory training

Name 3 causes of objective tinnitus

Palatal myoclonus


Vascular bruits


Insect in middle ear

A patient has unilateral tinnitus. How would you Investigate?

MRI to rule out acoustic neuroma. Audiogram to rule out deafness.

Perforation

What is the classic triad of Meniere's disease?

Recurrent vertigo attacks


Tinnitus


Fluctuating and progressive sensorineural deafness (gets worse with every attack

If you suspect Meniere's how might you investigate?

MRI - rule out acoustic neuroma


VDRL - rule our otosyphillis

How might you treat Meniere's medically?

Vestibular sedatives - diazepam


Antiemetics - Prochlorpromazine


Phenothiazines


Betahistine - vasodilatation and fluid resorption in middle ear


Chlortalidine - diuretic

How might you manage medically resistant Meniere's?

Chemical neurectomy - intratympanic gentamicin


Endolymphatic sac decompression


Vestibular nerve section - spares hearing


Labyrinthectomy - total ipsilateral deafness

What neurological problems may be caused by an acoustic neuroma (schwannoma of the auditory nerve)

Brainstem compression


CN V, IX, X, XI compression


IVth ventricle compression --> raised ICP

What are the 3 types of otitis externa?

Diffuse


Furuncle


Malignant

Patient presents with severe pain of pinner with wet desquamation of keratin and black granules. Diagnosis?

Fungal otitis externa

What is the chief organism that causes otitis extern?

Pseudomonas

Diffuse otitis externa

Furuncle

Bullous myringitis – This is another cause of severe pain. Viral (probably influenzal) infection causes haemorrhagic blistering of the eardrum

What types of patients tend to get necrotising otitis externs?

Elderly, diabetics and immunocompromised


What is the causative organism in necrotising otitis externs?

Pseudomonas auriginosa

How can you treat diffuse otitis externa?

Aural toilet


If severe and the meatus is narrowed can insert pope wick


Can use topical drops but only in short term as fungal infections can arise


In cases involving the whole pinna - systemic antibiotics

Treatment of a furuncle?

Staphylococcal abcess


Analgesia


Astringents (alluminium acetate, glycerin and ichthammol)


Systemic antibiotics if sever with lymphadenopathy

Treatment of necrotising otitis externa?

High dose I.V. ABx, surgical debridement, IgGs, hyperbaric oxygen therapy

Haematoma - blood tracks between the perichondrium and the cartilage

When does cauliflower ear arise?

Following a haematoma. The clot can get infected --> necrosis of the cartilage and gross deformity

Treatment of a haematoma?

Aspiration or incision and drainage


Apply pressure and give antibiotic cover

What is the perichondrium?

Connective tissue surrounding the cartilage

Perichondritis


Treat with antibiotics

Chondrodermatitis nodularis helicus


- Painful inflamed nodule of ear usually on the apex of the helix or antihelix.

A 50 year old builder presents with a tender lump on the apex of his helix which has scaling. Diagnosis? Management?

Chondrodermatitis nodularis helicus.


Avoid cold, pressure and trauma (CNH ear protection).


Can freeze with liquid nitrogen, use topical GTN/cortisone/collagen.


Surgical excision biopsy

Rhinosinusitis lasting >12 weeks is considered to be what?

Chronic rhinosinusitis

Rinosinusitis lasting <4 weeks is considered to be what?

Acute


(4-12 = subacute)

Where do the maxillary, frontal and anterior ethmoid sinuses drain?

The middle meatus between the inferior and middle turbinate

Where do the posterior ethmoid sinuses drain?

Superior meatus

Where does the sphenoid sinus drain to?

Sphenoethmoidal recess in the posterior nasal cavity

What causes the majority of acute rhino sinusitis cases?

They usually follow a viral URTI --> hyperaemia and oedema of the mucosa --> blocked sinus drainage and a secondary bacterial infection

What are the commonest organisms of bacterial rhino sinusitis?

Streptococcus pneumoniae


Haemophillus influenzae

A lady comes in with a 2 week history of severe, unilateral pain on her face and pain when she chews, pyrexia, nasal obstruction and poor smell. Diagnosis?

Acute rhino sinusitis of the maxillary sinuses

How might you treat an episode of acute rhino sinusitis?

Simple analgesia


Steam inhalations


Decongestant - for no longer than 5 days in topical as will cause rebound congestion


Antibiotics rarely prescribed but in severe, persistent cases may use penicillin or amoxicillin. Be aware in penicillin resistant areas to use alternative

What signs and symptoms of ARS indicate the need for sinus drainage

Progressive pain and resistance to medical treatment

What are the complications of ARS?

Periorbital cellulitis


Severe headaches


Focal neurological signs


Meningial symptoms

What microbial pathogens are responsible for chronic rhino sinusitis?

Predominantly gram -ve and anaerobic bacteria


Staph aureus


Coag-negative staph


Anaerobic usually produce foul smelling discharge and are from dental disease

4 key points in the history of sinogenic pain?

1. Exacerbation of pain during an URTI


2. Association with rhinological symptoms


3. Worse on flying


4. Response to medical treatment

Alternative diagnosis to facial pain in the absence of rhinological symptoms?

Mid-facial pain


Migraine


Cluster headaches


Atypical facial pain



NB vascular causes of headaches may --> clear discharge due to vasodilatation

How can you differentiate between the inferior turbinate and a nasal polyp?

Inferior turbinate is red and sensitive


Polyp = pale, pendulous, opalescent and painless

Patient presents with nasal obstruction, hyposmia, nasal irritation and sneezing. They have yellowish nasal mucus. Diagnosis?

Allergic rhinitis - mucus is yellow due to staining by eosinophils

How might you treat chronic rhinosinusitis?

Broad spectrum antibiotics e.g. coamoxiclav, clindamycin for at least 3 weeks


Topical nasal steroids e.g. betamethasone - 2 months followed by a nasal steroid spray


Instructions on how to nasal douche

When would you refer for surgical treatment?

If there is no improvement from medical therapy after 8 weeks.

Explain nasal douching

1/2 teaspoon of salt


1/2 teaspoon of sugar


1/2 teaspoon of bicarb of soda


2 pints of boiled water left to cool


Sniff mixture up one nostril with syringe and let it run out.


Use topical sprays and drops after douching.

A patient with a 6 week history of rhinosinusitis is complaining of not being able to see red as they used to and some blurring of their vision. What does this suggest?

Orbital abcess

Patient has a history of rhinosinusitis but presents with a swollen eye, fever, a severe headache and some double vision. Diagnosis?

Cavernous sinus thrombosis - due to spreading of thrombophlebitis from RS. High dose antibiotics required

What type of abcesses may occur as a consequence of frontal sinusitis?

Brain abcess


Extradural Abcess - dehiscence of posterior wall of frontal sinus


Subdural abcess - meningism signs

Name the branches of the facial nerve

Temporal


Zygomatic


Buccal


Marginal mandibular


Cervical

Important innervations of the facial nerve

Greater petrosal: Taste from palate, parasympathetic fibbers to the lacrimal gland


Branch from ganglion: Secretomotor fibbers to parotid


Branch to stapedius: Restricts excessive movement of tympanic membrane


Chorda tympani: Taste fibers from tongue


Postauricular nerve: Muscles of ear and occipitofrontalis belly


Muscles of facial expression


Cutaneous branches: both sides of pinna, EAM and tympanic membrane. Run with CN VIII - pharyngeal pathology can therefore --> otalgia and palatal vesicles can --> herpes oticus

Man presents with weakness of his mm of facial expression but is able to lift his eyebrows. Diagnosis?

Stoke causing UMN lesion of facial nerve

A man presents with some facial palsy and on examination:


Has normal V-->VIII and lower cranial nerve function


No signs of infection or trauma to his ear


Oropharynx - displaced tonsil medially but no signs of infection. Diagnosis?

Deep parotid tumour

Management of VII nerve palsy?

Eye care - reduced eye closure - artificial teats, lacrilube ointment, eyelid sutures or gold weight


General - treat underlying cause e.g. infection and treat asymmetry with e.g. facial slings

Man presents with foul smelling discharge from ear, facial palsy, vertigo and headaches. Diagnosis?

Cholesteatoma

What causes Bell's Palsy?

Idiopathic = diagnosis of exclusion - no CNS or ear pathology.

How might you manage a patient with Bell's Palsy?

Oral steroids might help speed up recovery


Eye protection

Patient presents with facial palsy, pain and painful vesicles in ear canal and pinna. What might be the cause and who would you manage it?

HZV infection.


Treat with high dose anti-vitals + steroids.

Symptoms of Bell's Palsy

Ipsilateral numbness around ear, reduced taste, hypersensitivity to sounds, unilateral sagging of mouth, drooling, difficulty eating, speech difficulty, failure to close eyes. Forehead spared.

How might a transverse temporal fracture differ to a longitudinal one?

Transverse - usually involve labyrinth --> sensorineural hearing loss and vertigo. 50% --> facial nerve palsy.


Longitudinal fractures - spare the labyrinth but fractures often involve EAM and roof of middle ear --> conductive hearing loss through ossicle dislocation, bleeding or tympanic membrane rupture.

What structure will you identify at the level of the upper 2nd molar?

Parotid duct

How can you examine the submandibular glands?

Bimanual palpation

Left to Right


Parotid gland


Submandibular gland


Sublingual gland

Which cells are thought to transform in to salivary neoplasms?

Reserve cells - found in the intercalated and excretory duct systems

Common causes of xerostomia?

Depression


Anxiety


Drugs - antimuscarinic activity


Atropine, hyoscine, ipratropium


TCAs


MOIs


Phenothiazides


Anti-parkinson drugs


Cold cures e.g. decongestants


Bronchodilators


Appetite suppressants


Sjogren's syndrome


Radiotherapy of the head and neck

What is Ludwig's angina?

A cellulitic facial infection usually caused by untreated dental infection

What bacteria cause parotitis?

Staphylococcal infection - generally seen in debilitated, dehydrated patients with poor dental hygiene

How would you manage bacterial parotitis?

Sialogogues e.g. lemon juice to increase salivary flow +/- drainage + high dose ABx

What is sialectasis?

Dilatation, stenosis and necrosis of acini --> cysts. Often cause is sialolithiasis (calculus formation)

What is the incidence of benign tumours? Where are they most commonly found and in which sex and age group?

1 per 100,000


80% of salivary tumours are found in the parotid and 80% of these are benign


Benign usually seen in adult females.

What is the most common salivary gland tumour?

Pleomorphic adenoma - more often in superficial lobe of parotid

How would you manage a patient with a suspected pleomorphic adenoma?

FNAC


Ultrasound or CT


Superficial parotidectomy if in parotid

What is the name of the tumour present in men (8:1) over the age of 40?

Warthin's Tumour aka adenolymphoma - soft, cystic masses in the tail of the parotid. NOT a lymphoma

What are the symptoms that indicate a parotid malignancy?

Facial palsy


Pain


Lymph node mets

Where are malignant tumours most common?

Sublingual and minor salivary glands therefore swellings in these areas require a high index of suspicion.

What sex and age group are mucoepidermoid carcinomas most prevalent?

5th decade in women (2-4:1)


Is the commonest salivary gland carcinoma in children

What kind of cell differentiation would be seen in a high grand mucoepidermoid carcinoma?

Poorly differentiated

Where is a mucoepidermoid carcinoma most likely to spread to?

Local lymph nodes, lungs, bones and brain.

What percentage of parotid tumours are acinic cell carcinomas?

2-4%

How do acinic carcinomas behave?

As low grade tumours, can occur bilaterally.

What is the commonest salivary malignant tumour?

Adenoid cystic carcinoma


Where are adenoid cystic carcinomas most likely to occur?

Sublingual glands

Describe the growth of adenoid cystic carcinomas

Grow slowly and insidiously with nerve infiltration and skip lesions. Perineural infiltration is common causing palsies and pain

What is the 15 year survival rate of patients with adenoid cystic carcinomas?

10-26%

What malignant cancer can develop within a pleomorphic adenoma?

Carcinoma ex-pleomorphoic adenoma

What cancer of the salivary glands has a very poor prognosis of 10% at 5 years?

Adenocarcinoma - accounts for 2.5-4% of all parotid neoplasms

What is the commonest type of lymphoma found in the salivary glands?

Non-hodgkin's lymphoma - present with firm, rapidly enlarging mass in 5-7th decade

Where to salivary tumours commonly metastise to?

Lung, breast, kidney, upper GI tract and locally in skin as melanoma and SCC

How would you investigate a salivary swelling?

Examination: Entire neck and oral cavity plus cranial nerves esp CNVII


Routine blood tests


Virology


Angiotensin converting enzyme (ACE)


SSA and SSB - Sjorgrens


X-ray, sialogram, CT-sialogram, CXR -mets


USS and doppler


MRI


Schirmer's test and carlson crittenden test to monitor lacrimal tear flow


FNAC


Biopsy of gland if skin ulcerated or if in minor gland


Labial biopsy - sjogrens

Why perform an ACE blood test?

Monitors for sarcoidosis


Patient with previous pleomorphic adenocarcinoma experiences sweating over parotid gland when eating. What is this and how would you manage it?

Frey's syndrome. Manage with antiperspirants and botox injections to skin

Which nerves may be damaged during a submandibular gland excision?

Marginal mandibular nerve


Lingual nerve

Erythroplakia in coffins corner

Leukoplakia

What spinal levels does the thyroid overlie?

C5-T1 deep to the sternohyoid and sternothyroid

What spinal level is the hyoid bone at?

C3

What spinal level does the cricoid cartilage lie?

C6-C7

Branchial cyst

How do you differentiate between a thyroglossal cyst and a thyroid mass?

Thyroid masses will not move when the patient sticks out their tongue

What is the most common cause of bilateral parotid gland enlargement?

Mumps caused by the paramyxovirus. Pain is due to the stretching of the parotid capsuleW

What is sialadenitis?

Inflammation of a salivary gland. Viral, bacterial, fungal, other.

In which major salivary gland are calculi most likely to form?

Submandibular gland due to it's thicker, more calcium rich secretions.

How might sialolithiasis present?

Post parandial pain and swelling with recurrent sialadenitis caused by infections.

What is sialectasis?

Dilation, stenosis and necrosis of acini --> cyst formation.

What is stridor? How might the following sound:


1. Laryngeal stridor?


2. Expiratory stridor?


3. Mixed

Noisy breathing


1. High pitched produced on inspiration


2. The wheeze of asthma


3. Tracheal breathing or laryngeal and lower airway

What is stertor?

Noises produced from the oro/nasopharynx such as in snoring

Clinical signs of upper airway obstruction?

Stridor


Stertor


Colour - blue?


Resp rate - increased? climbing?


Intercostal recession/tracheal tug?


Able to talk in full sentences?

Commonest cause of stridor during infancy?

Laryngomalacia - soft tissue cartilage collapses during inhalation --> obstruction

Laryngeal web - a congenital cause of upper airway obstruction

Narrowing of the airway below the glottis that is congenital

Subglottic stenosis

Singer's nodules - presents with a husky voice with increased use


Treat: Voice therapy and excision if necessary

Reinke's oedema - bilateral grey swelling along entire length of membrane portion of vocal cord

What causes Reinke's oedema?

Smoking, talking, GORD

Chordal polyp

Presentation of laryngitis


Treatment?

Hoarse voice/aphonia with reddened, oedematous vocal cords.


Voice rest - discourage whispering


Analgesia, steam inhalations, warmth applied to anterior neck

What causes epiglottitis?

Haemophillus influenzae B

How does epiglottitis present?

Initially with a URTI which rapidly progresses--> airway obstruction

What are the differences between adult and child presentations of epiglottitis?

Children: URTI - child is unwell, febrile, toxic. May drool and have difficulty swallowing. Altered or muffled cry


Adults: Severe sore throat disproportionate to oropharyngeal appearance. Voice is muffled or altered.


Usually no cough

Management of epiglottitis

Do not examine the mouth


Do not perform Xray


Do not lie patient down


Get expert help early to intubate - give nebulised adrenaline


I.V. antibiotics - ceftriaxone and penicillin


Steroids


Visual diagnosis with nasopharyngeal intubation


Blood culture


Notifiable disease

What infection causes diffuse inflammation of the airways not just of the supra glottis?

Croup

How might the cough sound of a child with croup?

Brassy like a dog's bark


What causes croup?

95% are viral e.g. parainfluenza

How can severe croup be managed?

Antibiotics, humidified oxygen and nebulised adrenaline, steroids.

Laryngeal papilloma

What is the main malignant condition of the upper airway?

Squamous cell carcinoma

What might cause recurrent laryngeal nerve palsy?

Thyroid surgery causing damage to the recurrent laryngeal nerve.

How might an acute upper airway obstruction be managed?

Endotracial intubation


Cricothyroidotomy


Tracheostomy

Give 5 indications for a tracheostomy

1. In an acute situation to bypass a laryngeal obstruction


2. Following surgery of the head and neck to prevent breathing difficultlies secondary to swelling


3. In cases where long term intubation is required. Long term intubation causes scarring of the larynx


4. To prevent overspill of secretions in to the lungs e.g. in diseases where swallowing and coughing is impaired


5. To allow air entry in to the lungs following a laryngectomy

What are the 2 types of tracheostomy?

End tracheostomy


Side tracheostomy

Describe some early risks of a tracheostomy

Surgical emphysema


Pneumothorax


Tube displacement


Blocked tube

Describe some late risks of tracheostomy

Tracheocutaneous fistula failed closure


Tracheo-oesophageal fistula


Tracheal stenosis

Define sleep apnoea

30 or more episodes of cessation of breathing each with a minimum duration of 10seconds occurring over a duration of 7 hours sleep

What are the long term complications of obstructive sleep apnoea?

Pulmonary hypertension and right ventricular strain --> cor pulmonale

What is central sleep apnoea?

Where the central respiratory drive is at fault --> cessation of breathing

Define what is meant by mild OSAHS

5-14 events per hour

What is meant by severe OSAHS

> 30 events per hour

Symptoms of obstructive sleep apnoea hypoponoea syndrome (OSAHS)

Daytime sleepiness - restless sleep


Witnessed apnoeas


Impaire concentration


Snoring


Unrefreshed sleep


Nocturia


Choking episodes during sleep


Reduced libido

What factors increase obstructive sleep related breathing disorders?

Age - increases up to 6th and 7th decade


Sex - M:F = 2-5:1 increases in women after menopause


Obesity


Obstructive upper airway abnormality - e.g. craniofacial abnormalities, adenotonsiller hypertrophy, turbinate hypertrophy, nasal polyposis


Social habits - smoking and alcohol


Other risk factors - genetics, hypothyroidism, acromegaly, drugs causing central depression e.g. opiatesT

Treatment of sleep related breathing disorders

Continuous positive airway pressure (CPAP)


Establish and treat possible underlying cause - localise the airway obstruction


Behavioural changes - in simple snoring may allow partner to fall asleep first, earplugs


Weight loss


Smoking and alcohol reduction


Intra-oral appliance - enlarge pharyngeal airway


Drugs


Surgery - upper airway or nasal


Tracheostomy


Uvulopalatopharyngoplasty


Laser assisted uvulopalatoplasty


Radiofrequency


Maxillofacial surgery

What are the vegetative symptoms of vertigo?

Nausea


Vomiting


Diarrhoea and pallor

How might the duration of a vertigo attack help with diagnosis?

Positional vertigo - seconds to minutes


Labyrinthitis - mins to hours

How might you examine a patient complaining of vertigo?

Otoscopy


Nystagmus - direction and degree


Cranial nerve examination


Past pointing


Romburg


Dix Hallpike - BPPV


What would a positive Romburg sign indicate in a patient with vertigo?

Vestibular deficit

What causes BPPV

Debris / otochonia in the semicircular canals

How can you manage BPPV?

Epley manouvre

In BPPV what will show in the dix hallpike manoeuvre?

Dizziness and downwards (geotropic) rotational nystagmus


Nystagmus will be latent and will fatigue


Patient's dizziness or nystagmus will stop after 30secs or so

How might cholesteatoma cause vertigo?

Sac erosion of the labyrinth

Why must long term vestibular sedatives be avoided?

Can cause parkinsonism like symptoms and delay central compensation --> prolonged vestibular rehab.


Vestibular sedatives usually settles vertigo within couple of days in labyrinthine causes. If vertigo has not settled and nystagmus is present this suggests a central lesion

Describe the typical presentation of vestibular neuronitis

Acute severe attack of isolated vertigo with nystagmus and often vomiting but WITHOUT loss of hearing.


Caused by viral infections affecting the labyrinth or vestibular nerve


BPPV may follow.

What are the differentials of vestibular neuronitis?

Demyelination or vascular lesions in the brain stem but these often are accompanied by other abnormalities

Management of vestibular neuronitis

Vestibular sedatives e.g. cinnarizine and possibly steroids

How would you manage labyrinthitis

Vestibular rehab therapy with balance exercises.


Prochlorpromazine, cinnarizine.

Describe the typical symptoms of sudden vestibular failure

Prostration, nausea and vomiting. No auditory features.

What is presbystasis?

Disequilibrium caused by ageing with no known aetiology.


= diagnosis of exclusion, must rule out other pathology

What is a vestibular migraine?

A migraine with symptoms associated with inner ear balance and mechanisms. Vertigo can occur in the absence of headache.

How can you treat vestibular migraines?

Pitozifen


Amytriptyline


Propanolol

What are the differentials of a patient presenting with "dizziness"?

Vertigo - false sense of motion or spinning


Disequilibrium - off balance or wobbly


Presyncope - feeling of losing consciousness


Lightheadedness - Vague symptoms, possibly feeling disconnected from the environment

What might cause disequlibrium?

Parkinson's disease (observe patient's gait or coordination) or diabetic neuropathy

Name some causes of light headedness?

Psychiatric - depression, anxiety, hyperventilation syndrome

How might you manage othostatic hypotension causing pre syncope?

Alpha agonists, mineralocorticoids, lifestyle changes

Swaying to the left on a Romburg test would indicate what?

Vestibular dysfunction on the left side

What is spontaneous jerk nystagmus a sign of?

Vestibular disease


What signs of jerk nystagmus indicate a central cause within the brain?

Nystagmus persisting for more than a few weeks


A change in direction of the beat with time or following a change in gaze direction


Beating in directions other than horizontally


Different jerks in 2 eyes

How would you manage vestibular neuritis

Vestibular sedatives and steroids

Where does the eustachian tube open?

into the nasopharynx

What are the 3 divisions of the pharynx?

Nasopharynx


Oropharynx


Hypopharynx

How is the hypopharnx divided?

2 lateral recesses: the piriform fossa


Posterior pharyngeal wall


Postcricoid space

What is the function of the hypopharynx?

To channel food from the oropharynx to the oesophagus and act as a resonance chamber for voice.

Name 3 functions of the larynx

To protect the distal airway


Production of voice


Glottis closure during lifting and straining to support the diaphragm

What are the key features that indicate a malignant cause of hoarseness?

S- Smoking, stridor


C- Constant/persistent hoarseness, coughing up blood


A- acute onset not associated with an URTI, alcohol


L- loss of weight


D- Dyspnoea, Dysphagia



Must ask about referred pain - otalgia

Describe the MDT approach to common voice problems

Voice therapy: Vocal hygiene advice, lubrication, hydration and avoidance of irritants. Technical advice e.g. posture


Medical therapy: Antibiotics, antifungals, antireflux, dietary advice and botox injections


Surgical therapy:

When might someone receive botox injections?

Spasmodic dysphonia

What symptoms indicate the possibility of laryngeal carcinoma?

Hoarseness lasting >6weeks. Stridor. Referred otalgia. Dysphagia. Lymphadenopathy.

What signs indicate a laryngeal carcinoma?

Raised, thickened irregular mass with leukoplakia and redness.


Narrowing of airway +/- vocal cord fixation


Cervical lymphadenopathy

How would you treat laryngeal carcinoma?

Radiotherapy with partial or total excision.

What are the symptoms of recurrent laryngeal nerve palsy?

Weak voice that tires with prolonged use


Perilaryngeal discomfort


Choking with fluids


Higher pitched voice


Diplophonia


Weak cough

Which side is more commonly affected by recurrent laryngeal nerve palsy?

Left side as it has a longer course

How would you investigate?

CXR - exclude mediastinal mass


CT scan of skull base and mid thorax - check lesions along path of nerve


Barium swallow if oesophageal lesion or aspiration suspected

What are the treatments available for vocal cord palsy?

Await spontaneous recovery


Voice therapy to encourage compensation


Surgery: Vocal cord medialisation

What are the symptoms of recurrent laryngeal nerve palsy?

Weak voice that tires on use


Perilaryngeal discomfort


Choking with fluids


Higher pitched voice


Diplophonia - 2 toned voice


Weak cough

What is the primary cause of muscle tension imbalance (MTI)?

Excessive tension on the laryngeal muscles

What causes MTI?

Stress, depression, poor posture, poor vocal hygiene - talking for long periods over background noise, shouting required for job, eating late at night, not drinking enough fluids, drinking too much caffeine

What is the secondary cause of MTI aka dyspnonia?

Excessive tension required to overcome a deficiency in the boise producing mechanism e.g. poor resp function, defect in folds, nasal blockage affecting resonance.

What are the signs and symptoms of MTI (dysphonia)

Variable huskiness of voice - worsens with use


Deeper or higher voice than expected


Unstable voice


Perilaryngeal soreness


Dry/uncomfortable throat


Cough usually normal


Vocal fold movement abnormal

What abnormal vocal cord movements would you expect to see in MTI (dysphonia)

Anteroposterior constriction


Extreme sphincteric closure --> vocal folds disappear from view beneath vocal cords

How can you treat MTI (dysphonia)

Vocal hygeine and lifestyle advice


Voice therapy


Adress underlying cause

What causes vocal polyps?

Shouting when suffering from GORD or cold

What symptoms may a patient get with vocal polyps?

Husky voice, may be deeper


Voice cuts out during speaking

What are the non infectious causes of vocal cord lesions?

Silent reflux


Allergy

What 4 subgroups can vocal fold changes be categorised in to?

Increase in vocal fold mass --> lower pitch voice e.g. Reinke's oedema


Poor closure of folds --> breathy, weak voice e.g. recurrent laryngeal nerve palsy


Increase in stiffness of fold --> poor vibration with rough, harsh voice


Lesion on the free edge of the fold --> irregular voice with pitch breaks e.g. nodules, cysts, HPV