Ear Flashcards
Rinne test negative in
Chl (>15-30dB)
Snhl
Severe snhl in
Viral
Sudden compression edeme ishaemia
Other test of tunnig fork
ABC
Schwabach test
Gelle test
Bing test
Hearing loss
Sb m 40
Tm intact + discontinuity :-55
Otosclerosis :-60 dB
ASHA CLASSIFICATION
26 se + 15
71-90:- severe
>91 :- profound
Who classification
26-40 , 41 se +20 upto over 81
Color of PTA
Right red (ac 0*, ac masked 🔺, bc<
Bc masked [
Down sloping PTA cause
Noise induced
Ototoxicity
Presbycusis
Cookie bite PTA
Congenital SNHL
Impedence audiometry
Tymapanometry (f/o discontinuity, fixation, fluid)
Stapedial reflex
Typanogram
0.35&1.45ml
+50 to -50mmh2O(adult)
+50to -150 (child)
Ad:- discontinuity
As:- otosclerosis
B:- SOM
C:- initial of ET obstruction
Other test for ET Fx
Valsalva maneuver
Politzer test
Toynbee maneuver
ET catherisation
Frenzel maneuver
Stapedial reflex test for
Malingering, non organic hearing loss
CHL:- ABSENT
NHL:- THRESHOLD REDUCE
SHL:- PRESENT AT INITIAL ONLY
KEMP ECHOES
Spontaneous
Evoked ( transient(screen neonate) , distortion( ototoxicity))
Differentiate cochlear nd retro cochlear
ABLB nd SISI
Recruitment
70-100:- cochlear deafness
EEG wave
1st:- ohc (cochlear micro phone)
2nd :- SP
3rd:- AP
BERA
First 10ms
7 waves obtain
5 wave consider
4:- SON
5:- LL ( acoustic neuroma, inter aural latency difference of wave 5:->0.2 ms
At interval of 1 ms
Icu neonate
Cochlear md retro cochlear
Malingering
Threshold of hearing
ASSR
> 80-90dB
Speech reception threshold
Discrimination score
Stenger test others test
Bera
Repeat PTA
compare 2 test
Acceleration sensed by
Cristae of SCC
Macula of utricle nd saccule (linear)
Ewald laws
1st:- Nstagmus to axis of SCC Generate it
2nd:- ampullopetal(uticle) flow in horizontal canal
Vertical linerar accelerate
Saccule
Scarpa ganglion
Vestibular nerves ganglia toh vestibule nuclei
Test for BPPV
Dix hallpike mauever
Supine roll test
Y in vestibular neuritis horizontal nstagmus
SSCC :- SR
PSCC:- SO
HSCC:- MR
Other test of vestibular fx
Head impulse test
Caloric test
Kobrak test
Cold air caloric test
Fistula test ( false in sscc dehiscense, menieres dz, congn syphilis)
Tullios phenomenon (IVN)
CVEMP(SACCULE:- IVN) & OVEMP(UTRICLE)
UNTERBERGER SIGN
ELECTRONYSRAMOGRAPHY
OPOKINETIC TEST
ROTATION TEST
GALVANIC TEST
POSTUROGRAPHY
DYNAMIC VISUAL ACUITY TEST
ROMBERG TEST
GAIT
TEST OF CEREBELLAR DYSFUNCTION