ENT Flashcards

1
Q

What is the pathophysiology of benign paroxysmal positional vertigo?

A

calcium carbonate crystals called otoconia become displaced in the semicircular canals which disrupt the usual flow of endolymph triggering vertigo

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2
Q

what are the 4 possible causes of BPPV?

A

viral infection
trauma
aging
idiopathic

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3
Q

what are 3 features of BPPV?

A

20-60 second duration
triggered by movement
no hearing loss or tinnitus

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4
Q

what does the Dix-Hallpike manouver test for?

A

Benign paroxysmal positional vertigo

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5
Q

what is a positive Dix-Hallpike?

A

nystagmus is observed - beating is towards affected ear

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6
Q

what manoeuvre is used to treat BPPV?

A

epley manoeuvre

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7
Q

what manoeuvre is used to test for BPPV?

A

Dix-Hallpike manoeuvre

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8
Q

what exercises can be done by patients to improve BPPV?

A

Bradt-daroff exercises

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9
Q

what are the 4 most common causes of peripheral (vestibular) vertigo?

A

Benign paroxysmal positional vertigo
Menieres disease
vestibular neuritis
labrinthitis

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10
Q

what kind of nystagmus is seen in BPPV?

A

rotational nystagmus

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11
Q

How do you perform the dix-hallpike manouver?

A

Patients sat on flat exam couch with head turned 45 degrees to side of ear being tested
Rapidly lower patient backwards until head hanging off couch while holding head at 45 degrees
Hold head still 20-30 degrees below couch and at 45 degrees
Watch eyes for 30-60s for nystagmus

repeat on other side

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12
Q

How do you perform the epley manouver?

A

Patient sat on couch with head at 45 degrees towards affected side
Lie patient with head of the bed
Rotate their head 90 degrees past central point with head off couch
Have patient roll onto side with head still in position
Have patient sit up with legs off side of couch
position head centrally with neck flexed and chin to chest

at each stage support patients head in place for 30s and wait for nystagmus/dizziness to pass

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13
Q

when should patients with BPPV be referred to ENT?

A

Repeat symptoms despite repositioning procedures
Not resolved in 4 weeks
atypical symptoms or signs
3+ periods of vertigo

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14
Q

What is Meniere’s disease?

A

excessive build up of endolymph in membranous labyrinth which causes high pressure and sensory signals

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15
Q

what is the classic triad of Meniere’s disease?

A

Hearing loss
Vertigo
Tinnitus

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16
Q

what are 8 features of menieres disease?

A

hearing loss
tinnitus
vertigo
sensation of fullness in ear
Nystagmus during attack

last several hours
not associated with movement
unilateral hearing loss
drop attacks

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17
Q

what are vertigo attacks like in Meniere’s disease?

A

Episodes lasting 20 mins to hours that can come in clusters with long periods of remssion

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18
Q

what is the hearing loss like in Meniere’s disease?

A

fluctuant at first associated with vertigo attacks then becoming permanent

unilateral sensorineural hearing loss starting with low frequencies

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19
Q

what is the acute management of meniere’s disease?

A

Prochlorperazine - 5mg TDS

antihistamines

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20
Q

what is the prophylaxis for Meniere’s disease?

A

Betahistine - 16mg TDS taken with food

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21
Q

what are 4 risk factors for Meniere’s disease?

A

FHx
Caucasian
Migraines
Autoimmune diseases

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22
Q

what is acute vestibular neuritis?

A

inflammation of the vestibular nerve usually due to viral infection. Typically presents as acute onset vertigo which improves within a few weeks. NO HEARING LOSS OR TINNITUS

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23
Q

what kind of nystagmus is usually seen in vestibular neuritis?

A

Horizontal

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24
Q

what is labrynthitis?

A

inner ear inflammation usually due to viral infection which causes acute onset vertigo which improves within a few weeks and CAN CAUSE HEARING LOSS and nausea

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25
what is the management of labyrinthitis AND vestibular neuritis ?
Prochlorperazine - for immediate relief, can be given buccally/IM 3 day course of Prochlorperazine or an Antihistamine - Cyclizine/cinnarizine vestibular rehab for recurrent cases
26
what is the HINTS examination?
Head Impulse test Nystagmus Test of Skew to determine peripheral or central cause of vertigo
27
How can prochlorperazine be administered to provide rapid relief to labyrinthine disorders?
Buccal or IM
28
what are the 4 most common central causes of vertigo?
posterior circulation stroke tumour MS vestibular migraine
29
what kind of vertigo do you get with central casues?
non-positional doesn't affect hearing no tinnitus
30
what is a test that can be used to determine a peripheral cause of vertigo?
the head impulse test - +ve in peripheral
31
what is the head impulse test?
for peripheral causes of vertigo ask patient to fix eyes on nose, move head rapidly 10-20 degrees to one side then slowly back to middle then to other side Positive if eyes saccade (rapidly move back and forth) before fixing back on nose
32
what is the test of skew?
tests for central cause of vertigo ask patient to look at nose, cover one of their eyes then the other alternating, if eye has to refix on nose after being uncovered - may indicate central vertigo
33
what test can be used to determine a central cause of vertigo?
the test of skew
34
what medications can be used to manage peripheral vertigo acutely?
prochlorperazine 5-30mg TDS antihistamines
35
what medication can be used prophylactically for Menieres disease?
Betahistine
36
what is the classical triad of menieres disease?
hearing loss vertigo tinnitus
37
where does anterior epistaxis usually occur from?
kiesselbach's plexus located in little's area
38
what is are 10 risk factors for epistaxis?
nose picking colds sinusitis vigorous nose blowing trauma changes in weather Coagulation disorders anticoagulant meds snorting cocaine tumours
39
what do posterior nose bleeds increase risk of?
aspiration of blood may bleed from both nostrils
40
what is a benign tumour that can cause epistaxis?
juvenile angiofibroma - benign tumour that is highly vascularised - seen an adolescent males
41
How is epistaxis managed in first aid?
Sit leant forwards with mouth open and pinch soft area of nose firmly at least 20 mins!
42
what can be given if first aid management of epistaxis IS successful after bleeding has stopped?
Naseptin (chlorhexidine and neomycin) - topical aseptic QDS for 10 days - reduces crusting, inflammation and infection
43
Who should not be given naseptin?
Peanut, soy or neomycin allergy
44
what should be done I epistaxis does not stop after 10-15 mins of first aid?
1 - Cautery using silver nitrate sticks if source of bleeding visible 2 - Packing - if bleeding point not visualised - ent review
45
what surgery can be used for failed initial management of epistaxis?
sphenopalatine ligation
46
what anaesthetic can be used for cautery in epistaxis?
co-phenylcaine
47
what is hereditary haemorrhage telangiectasia?
autosomal dominant condition causing telangiectasis (dilated blood vessels), epistaxis, GI haemorrhage and anaemia
48
what can be used for nasal packing in epistaxis?
Morocel nasal tampons Rapid Rhinos ribbon gauze impregnated with bismuth iodoform paraffin paste (BIPP)
49
what are 4 contraindications to nasal packing?
basal skull fracture facial or nasal fracture airway emergency/haemodynamic instability
50
Where do posterior nosebleed occur from usually?
sphenopalatine artery or terminall branches of maxillary artery
51
what is the second line measure for post epistaxis care?
Mupirocin nasal ointment
52
what are 4 complications of nasal packing?
bacterial sinusitis staphylococcal toxic shock syndrome - with prolonged use asphyxiation necrosis of nasal septum
53
what are 5 bits of advice for patients post epistaxis?
Avoid: Blowing or picking the nose Heavy lifting Strenuous exercise. Lying flat Drinking alcohol or hot drinks
54
what is the middle ear?
between tympanic membrane and inner ear (cochlea, vestibular apparatus and nerves)
55
what are 6 risk factors for otitis media?
Eistachian tube dysfunction Age - children Immunodeficiency Allergies Smoking CF
56
what is the most common causative organism for otitis media?
strep pneumoniae
57
what are 3 other common causative organisms for otitis media?
H. Influenzae Moraxella catarrhalis Staph aureus
58
why are children predisposed to otitis media?
Narrower Eustachian tube more horizontal eustachian tube Less developed immune system
59
what are 5 presenting features of otitis media?
ear pain reduced hearing feeling generally unwell - fever URTI symptoms balance issues, vertigo
60
what might be seen O/E in otitis media?
Bulging, red, inflamed tympanic membrane
61
what are 8 complications of otitis media?
hearing loss perforated tympanic membrane labrynthitis mastoiditis abcess fascial nerve palsy meningitis
62
how long do most otitis media infections last?
5 days
63
what classes as recurrent acute otitis media?
3+ separate episodes of otitis media in past 6 months or 4 in 1 year
64
what is the first line treatment for otitis media?
1 - consider no Abx amoxicillin 5-7 days PO - 1-11 months - 125mg TDS - 1-4 years - 250mg TDS - 5-17 years - 500mg TDS - Adults - 500mg TDS clarithromycin - in penicillin allergy - Adults - 250mg BD erythromycin - pregnancy - 250-500mg QDS
65
what is the management of otitis media in pregnant women allergic to penicillins?
erythromycin
66
when should you consider immediate abx prescription in otitis media?
Symptoms >4 days and not improving Systemically unwell Immunocompromised or high risk comorbidities <2 years with b/l Perforation and/or discharge in canal
67
what is chronic suppurative otitis media?
chronic inflammation >2 weeks of the middle ear and mastoid cavity that presents with recurrent ear discharges through a tympanic membrane perforation usually hearing loss in affected ear with a Hx of otitis media
68
what are the two most common causes of otitis externa?
Pseudomonas aeruginosa Staph aureus
69
what kind of bacteria is pseudomonas aeruginosa?
gram neg aerobic bacilli naturally resistant to many antibiotics - tx with aminoglycosides (gent) or quinolones (ciproflox)
70
what are 5 conditions that can cause inflammation in the external auditory cannal?
bacterial infection fungal infection eczema seborrhoeic dermatitis Contact dermatitis
71
what are 4 typical symptoms in otitis externa?
ear pain discharge itchiness conductive hearing loss - if ear blocked
72
what 4 things can be seen o/e in otitis externa?
Erythema and swelling of ear canal Tender tragus/pinna Debris in ear canal Cellulitis on pinna Lymphadenopathy
73
what are 4 things that can be seen o/e in chronic otitis externa?
lack of earwax in canal dry scaly skin in ear canal canal stenosis fluffy cotton like black debris in canal - fungal infection Conductive hearing loss
74
what is the treatment for mild otitis externa?
acetic acid 2% (earcalm) can also be used prophylactically
75
what is advice for otitis externa?
do not use cotton buds to clean ear canal keep ears clean and dry use cotton wool in vaseline for bathing and ear plugs for swimming
76
what is the management of moderate otitis externa?
topical Abx + steroid neomycin + dexamethasone and acetic acid (OTOMISE) Gentamicin and hydrocortisone ciproflaxacin and dexamethasone
77
what is a contraindication to using gentamicin/neomycin in otitis externa?
perforated tympanic membrane - they are ototoxic
78
what is the management of sever/systemic otitis externa?
oral Abx - fluclox/clarithromycin
79
what is the treatment for fungal otitis externa?
clotrimazole ear drops
80
what is the management of otitis externa if tympanic membrane cannot be visualised?
ENT referral for microsuction or wick insertion
81
what is the management of necrotising otitis externa?
Admission under ENT IV ceftazidime for 6 weeks
82
what are 3 complications of otitis externa?
Regional spread - cellulitis, perichondritis, parotitis Fibrosis and stenosis of ear canal Malignant otitis externa
83
what is malignant otitis externa?
severe otitis externa where infection spreads to temporal bone. Causes severe persistent headache, fever, vertigo granulation tissue is found at junction between bone and cartilage in ear canal
84
what increases the risk of malignant otitis externa?
Diabetes Immunocompromise Older age radiotherapy to head, neck, ear Previous ear surgery/irrigation
85
what is the most common pathogenic cause of malignant otitis externa?
pseudomonas aeruginosa
86
what abx should be used in malignant otitis externa?
Ciprofloxacin
87
what is the most common causative organism of bacterial tonsilitis?
Group A strep - strep pyogenes
88
What is the treatment for bacterial tonsilitis?
1st - penicillin V (phenoxymethylpenicillin) 10 days <11mon - 62.5mg QDS 1-5 years - 125mg QDS 6-11years - 250mg QDS 12+ - 500mg QDS PENICILLIN ALLERGY- Clarithromycin 12+ - 250-500mg BD PREGNANCY + PEN ALLERGY Erythromycin 250-500mg QDS
89
what are 2 groups who need an FBC when presenting with tonsilitis?
On DMARDs - also hold DMARD till results On carbimazole - due to risk of idiosyncratic neutropenia - also hold drug
90
what is the most common viral cause of tonsillitis?
Adenovirus
91
what is the second most common bacterial cause of tonsilitis?
strep pneumnoniae
92
what 2 criteria can be used to determine the probability that tonsilitis is bacterial?
Centor criteria FeverPAIN score
93
what is the centor criteria?
for bacterial tonsilitis fever >38 tonsillar exudates absence of cough tender anterior cervical lymph nodes SCORE >3 => offer Abx
94
what is the feverPAIN score
for bacterial tonsilitis Fever in last 24 hours Purulence Attended in 3 days of onset Inflamed tonsils No cough or coryza SCORE >4 - consider Abx
95
what are 2 investigations that can be used for tonsillitis?
Throat culture - gold Rapid group A streptococcal antigen test
96
what are 6 complications of bacterial tonsilits?
Peritonsillar abcess (quinsey) Otitis media Scarlet fever Rheumatic fever Post-streptococcal glomerulonephritis Post-streptococcal reactive arthritis
97
what are the criteria for tonsillectomy?
7 episodes in 1 year OR 5 episodes in 2 years OR 3 episodes in 3 years episodes must disabling and prevent normal functioning Recurrent febrile convulsions secondary to tonsillitis OSA, stridor or dysphagia due to enlarged tonsils Unresponsive peritonsillar abscess
98
what are 2 primary (<24h) complications of tonsillectomy?
Haemorrhage - due to inadequate haemostasis Pain
99
what are 2 secondary (>24h) complications of tonsillectomy?
Haemorrhage - usually due to infection Infection Pain
100
what is the most common bacterial cause of peritonsillar abscess?
strep pyogenes
101
what is the most common age range for peritonsillar abscess?
20-30 years
102
what are 6 features of peritonsillar abscess?
Severe sore throat pain lateralising to one side difficulty swallowing and talking (hot potato voice Deviation of uvula to unaffected side Trismus Reduced neck motility Systematic features - fever, chills, malaise
103
what is the management of peritonsillar abscess?
Abx - a penicillin + beta lactamase Analgesia Steroids Needle aspiration Intraoral incision and drainage Quinsy tonsillectomy
104
what is acute sinusitis?
<12 weeks
105
what is chronic sinusitis?
>12 weeks
106
what are the 4 pairs of paranasal sinuses?
frontal - above eyebrows maxillary - either side of nose ethmoid - in middle of nasal cavity sphenoid - in back of nasal cavity
107
what are 4 causes of sinusitis?
infection allergies obstruction of drainage - foreign body, polyps smoking
108
what is the typical presentation of acute sinusitis? 5
nasal congestion and discharge facial pain/headache facial pressure facial swelling loss of smell
109
what 5 things may be seen o/e of sinusitis?
tenderness to palpation inflammation and oedema of nasal mucosa discharge fever signs of systemic infection
110
how long should you wait to give abx for sinusitis?
10 days
111
what is the management of sinusitis?
After 10 days conservative management high dose steroid nasal spray for 14 days - 200mcg Mometasone BD Delayed till day 17 phenoxymethylpenicillin
112
what is the most common cause of acute sinusitis?
viral URTI
113
what are 4 risk factors for sinusitis ?
Nasal obstruction - septal deviation/polyps Recent local infection - dental, rhinitis Swimming/diving Smoking
114
what are 2 investigations for chronic sinusitis?
Nasal endoscopy Imaging - CT paranasal sinuses
115
what is the management of chronic sinusitis?
Nasal saline irrigation, topical corticosteroids, Abx if indicated Surgery - functional endoscopic sinus surgery, balloon sinuplasy
116
what can be used as a nasal decongestant in sinusisitis?
Pseudoephedrine - 60mgQDS Phenylephrine
117
what is the other name for an acoustic neuroma?
Vestibular schwannoma
118
what is an acoustic neuroma?
a benign tumour of the of the schwann cells surrounding the vestibulocochlear nerve
119
what are bilateral acoustic neuromas associated with?
neurofibromatosis type II
120
what are 6 presentations of acoustic neuroma?
gradual onset of: Unilateral sensorineural hearing loss Unilateral tinnitus Dizziness or imbalance/vertigo Sensation of fullness in ear Facial nerve palsy - forehead not spared in LMN Headache, nausea, vomiting
121
what are 2 investigations for acoustic neuroma?
Audiometry Gadolinium enhanced MRI head
122
what are 3 complications of acoustic neuroma management?
Vestibulocochlear nerve injury - permanent hearing loss and dizziness Facial nerve injury CSF leak
123
where are acoustic neuromas most commonly found?
cerebellopontine angle
124
what is the management of acoustic neuroma?
Watch and wait - MRI annually for first 5 years Stereotatic radiosurgery/radiotherapy Surgical removal
125
what virus is infectious mononucleosis caused by?
epstein-barr virus (EBV)
126
what is the classical triad of infectious mononucleosis?
Sore throat lymphadenopathy - anterior or posterior triangles of neck pyrexia
127
what are 10 features of infectious mononucleosis?
Malaise, fatigue, headache Fever Sore throat Lymphadenopathy Palatal petechiae Splenomegaly Hepatitis - transient ALT rise Lymphocytosis Haemolytic anaemia maculopapular rash with ampicillin/amox ise
128
what can be seen on FBC in infectious mononucleosis?
lymphocytosis
129
what does NICE suggest for confirmation of infectious mononucleosis?
FBC + Monospot in second week of illness to confirm diagnosis
130
what is the management of infectious mononucleosis?
Analgesia + Hydration
131
what advice needs to be given to those with infectious mononucleosis?
Avoid contact sport for 1 month due to risk of spleen rupture May have post viral fatigue for several weeks to months
132
what are 5 complications of infectious mononucleosis?
Haemolytic anaemia Splenic rupture Hepatitis GBS Secondary bacterial infection
133
what is tested for in the monospot test?
Heterophile antibodies for EBV
134
What cancer is EBV associated with?
Burkitt's lymphoma
135
what is the cause of haemolytic anaemia in infectious mononucleosis?
secondary to cold agglutins (IgM)
136
what are 6 risk factors for OSA?
Obesity Age + post menopause Male FHx Smoking Medical conditions - hypothyroid, aromegaly, PCOS
137
what are 7 features of OSA?
episodes of apnoea during sleep snoring morning headache waking up unrefreshed daytime sleepiness concentration problems reduced O2 sats during sleep
138
what are 4 complications of OSA?
HTN Heart failure MI Stroke
139
What 2 scoring systems can be used to assess for OSA?
Epworth sleepiness scale STOP BANG
140
what is the management of OSA?
Weight loss + lifestyle management CPAP Inform DVLA - must not drive if have excessive daytime sleepiness
141
what are 2 investigations of OSA?
screening questionnaires Sleep studies
142
what antibiotic causes ototoxicity?
Aminoglycosides - gentamicin, neomycin
143
what is a cholesteatoma?
A non-cancerous abnormal collection of squamous epithelial cells in the middle ear
144
what is the pathophysiology of cholesteatoma?
theory there is negative pressure in the middle ear due to eustachian tube dysfunction which causes a pocket of the tympanic membrane to retract into the middle ear forming a pocket where squamous epithelial cells continue to proliferate and grow into the surrounding spaces
145
what are 2 presentations of cholesteatoma?
Foul ear discharge unilateral conductive hearing loss Also vertigo, facial nerve palsy
146
what is used to confirm diagnosis of cholesteatoma?
CT/MRI head
147
what can be seen on otoscopy in cholesteatoma?
Abnormal build up of whitish debris or crust under tympanic membrane
148
what are 4 complications of cholesteatoma?
Ossicular chain erosion - leading to conductive hearing loss Labyrinthine fistula Intracranial extension - meningitis, brain abscess, lateral sinus thrombosis Mastoiditis
149
what is the management of cholesteatoma?
Canal wall up mastoidectomy Canal wall down mastoidectomy
150
what is the presentation of oral candidiasis?
Curd-like white or yellowish plaques in mouth on cheeks, gums, palate, tongue
151
what are 5 risk factors for oral candida?
Inhaled Corticosteroids ABx Diabetes Immunodeficiency -HIV Smoking
152
what is the management of oral candidiasis?
1 - Miconazole oral gel 7 days 2 - Nystatin suspension OR Oral Fluconazole 50mg OD 7 days
153
what is the management of oesophageal candidiasis?
Oral fluconazole 100mg 7 days
154
what are the 3 most common causes of transient hearing loss?
Ear wax otitis media otitis externa
155
what is presbycusis?
age related sensorineural hearing loss Typically slow progressive loss of bilateral high frequency hearing due to atrophy of sensory hair cells and neurons in cochlear
156
what are 6 risk factors for Presbycusis?
Arterioscelrosis to cochlear Diabete Accumulative noise exposure Drug exposure - salicylates, chemo Stress Genetics
157
what are 4 investigations for Presbycusis?
Otoscopy - should be normal Tympanometry - should be normal Audiometry - b/l sensorineural pattern hearing loss Bloods - normal
158
what is otosclerosis?
Autosomal dominant condition that causes the replacement of normal bone by vascular spongy bone causing progressive conductive hearing loss due to fixation of stapes at oval window
159
what is the typical presentation of Otosclerosis?
20-40 years old conductive hearing loss tinnitus 10% have flamingo tinge to tympanic membrane +ve family Hx
160
what is the management of Otosclerosis?
hearing aid stapedectomy
161
what are 6 risk factors for otitis media with effusions?
male sibling with glue ear winter/spring time bottle feeding day care attendance parental smoking
162
what age does otitis media with effusion peak?
2 years
163
what is the presentation of otitis media with effusions?
conductive hearing loss speech and language delay, behavioural or balance problems
164
what is the management of otitis media with effusions?
observation - 3 months grommet insertion - majority stop functioning at 10 months adenoidectomy
165
what is the management of unilateral glue ear?
2ww referal to ENT - could be sign of posterior nasal space tumour
166
what is rinne's test?
tuning fork places on mastoid process until sound is no longer heard followed by repositioning over external aucustic meatus +ve if air conduction better than bone = normal -ve if Bone>air = conductive deafness
167
what is weber's test?
tuning fork in middle of forehead asked which side is loudest unilateral sensorineural deafness - localises to unaffected side unilateral conductive deafness - localises to affected side
168
what is the criteria for cochlear implant in children?
audiological assessment and/or difficulty developing basic auditory skills
169
what is the criteria for cochlear implant in adults?
completed trial of appropriate hearing aids for at least 3 months which have objectively given them little/no benefit
170
what are 4 causes of profound deafness in children ?
genetic congenital idiopathic infectious - post meningitis
171
what are 5 causes of profound deafness in adults?
viral induced sudden hearing loss Ototoxicity otosclerosis Meniere disease trauma
172
what are 3 contraindications to cochlear implant?
lesions of cranial nerve VIII or brain stem causing deafness chronic infective otitis media, mastoid cavity or tympanic membrane perforation cochlear aplasia
173
what are 3 congenital infections that can cause deafness?
Rubella Cytomegalovirus Varicella zoster
174
what are 5 features of a nasal septum haematoma?
may be due to minor trauma sensation of nasal obstruction Pain and rhinorrhoea bilateral red swellings from nasal septum feel boggy on palpation
175
what is the management of nasal septum haematoma?
surgical drainage IV Abx if untreated nasal septal necrosis may occur within 3-4 days resulting in saddle nose deformity
176
what are the borders of the anterior triangle of the neck?
Mandible - superior Midline of neck - medial sternocleidomastoid - lateral
177
what are the borders of the posterior triangle of the neck?
Clavicle - inferior trapezius - posterior sternocleidomastoid - lateral
178
what are 4 causes of neck lumps in young children?
cystic hygromas dermoid cyst haemangiomas venous malformations
179
what are 11 causes of neck lumps?
Normal structures - boney prominence skin abscess lymphadenopathy lipoma goitre or thyroid nodule salivary gland or infection carotid body tumour haematoma thyroglossal cyst branchial cyst
180
what are the 2ww criteria for neck lumps?
unexplained neck lump >45 years persistent unexplained neck lump at any age urgent US in patient with lump growing in size within 2weeks >25 years or 48h <25 years => look for soft tissue sarcoma
181
what are 4 causes of lymphadenopathy?
reactive lymph nodes due to infection Infected lymph nodes - TB, HIV, EBV inflammatory conditions - SLE, Sarcoidosis Malignancy
182
what shape are lymph nodes normally?
oval with length usually >2x width
183
what can happen when amoxicillin or cephalosporins are given in infectious mononucleosis?
maculopaplar rash
184
what are 5 things that can cause goitre?
Grave's disease toxic multinodular goitre hashimotos iodine deficiency Lithium
185
what are 6 causes of individual lumps on the thyroid?
benign hyperplastic nodules thyroid cysts thyroid adenoma thyroid cancer parathyroid tumour
186
what are 3 causes of salivary gland swelling?
stones infection tumours
187
what are carotid body tumours?
at carotid bifurcation where glomus cells detect O2, CO2 and pH of blood glomus cells can become excessively proliferate forming paragangliomas - most are benign cause slow growing painless, pulsatile lump in upper anterior triangle with bruit on auscultation. Mobile side to side but not up and down
188
what nerves can carotid body tumours compress?
glossopharyngeal, vagus, acessory, hypoglossal May cause horner's syndrome
189
what sign is seen on imaging in carotid body tumours?
splaying of internal and external carotic - lyre sign
190
what do lipomas feel like on palpation?
soft painless mobile do not cause skin chanes
191
what is a thyroglossal cyst?
embryological remnant from thyroglossal duct which fills with fluid and becomes cyst
192
what do thyroglossal cysts appear like on examination?
mobile non-tender fluctuant soft in midline move with tongue movement
193
what is the management of thyroglossal cysts?
surgical removal to precent infection
194
what is a branchial cyst?
congenital abnormality where second branchial cleft fails to form properly leaving space surrounded by epithelial. tissue in lateral neck - this fills with fluid to form a branchial cyst
195
what is the presentation of a branchial cyst?
round soft cystic swelling between angle of jaw and sternocleidomastoid in anterior triangle most common in young adulthood