Ear Flashcards
(23 cards)
In which cases immediate myringotomy is done in OM with effusion
Children presenting with chronic cases(eg adenoid hyperplasia) affecting their studies and learning due to impaired hearing with OME
M/c site for iatrogenic facial nerve injury
2nd genu of facial nerve
(Lateral and posterior to pyramidal process)
Why are furuncles in EAC painful
Furuncles are seen in cartilagenous parts
Skin is extremely adherent toperichondrium
3rd window
Superior semi circular canal
Paracussis willisi
Symptom of B/ L conductive HL
Pt hears better in noisy surroundings
Paracussis willisi
Symptom of B/ L conductive HL
Pt hears better in noisy surroundings
Flamingo flush
Schwartz sign
Seen in otosclerosis
Reddish pink hue behind intact TM
Caharts notch
Dip in bone conduction at 2k hz seen in otosclerosis
Differential diagnosis of CHL with intact TM
OME
Tympanosclerosis
Ossicular discontinuity
Congenital footplate fixation
Fixed malleus incus syndrome
Ossicle necrosed 1st in squamous disease
Lenticular process
Chronic OM first investigation
PTA
Prussak space
subcomponent of the lateral epitympanic space and extends from the level of the scutum to the umbo.
Differential diagnosis for blood stained discharge
Trauma
Ruptured TM in AOM
COM squamous disease
Malignancy of EAC
Glomus tumor
Myringitis bullosa
Differential diagnosis for granulation tissue
Granular myringitis
Chronic granulomatous disease
Neglected foreign body
Malignancy
Glomus tympanicum
Cymba concha corresponds to
Mastoid antrum
Acute necrotising OM
Virulent
Beta hemolytic streptococci
Kidney shaped centralnperforation seen
Permanent CHL
T/t for meniers
Medical labyrinthectomy
Gentamycin and dexamethasone
Main Cause of u/l OM with effusion in adults
Nasopharyngeal tumor
Muscles attached to malleus neck
Stapedius and tensor tympani
Facial nerve landmarks
Processus cochleariformis
Lsc
Ow
Rw
Promontory
Facial recess is between
Chorda tympani and facial nerve
Lateral to pyramid
Sinus tympani
Medial to pyramid
Separate epitympanum into ant and post
Cog
