Precise ENT
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ENT disorders and their treatment
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⭕️Bezold abscess.
✔️Is a complication of acute otomastoiditis.
✔️The infection results in erosion of the tip of the mastoid bone deep to digastric, sternocleidomastoid SCM and the trapezius mucle as a result, a mass is seen in the posterior triangle of the neck.
The most common organism that cause acute otitis media is
Anonymous Quiz
77%
A. Streptococcus pneumoniae
10%
B. H. Influenzae
10%
C. Staphylococcus areus
4%
D. P. Aeruginosa
This table is from Precise ENT book and it's under protection by copyright ©
⭕️Movement of pinna and jaw is painful in furunculosis. 
The cough response caused while cleaning ear canal is mediated by stimulation of
Anonymous Quiz
16%
A. 5th CN
7%
B. C1 and C2
20%
C. Branches of 7th CN
7%
D. The 8th CN
49%
E. The 10th CN
Precise ENT
The cough response caused while cleaning ear canal is mediated by stimulation of
⭕️هنا branch من الvagus nerve بيمشي يغذي الauricle اسم الbranch دا...
Auricular branch of vagus nerve.
او عندو اسم تاني
Alderman's nerve.
From Precise ENT book and it's protected by Copyright ©
⭕️Indications of modified radical mastoidectomy.
✔️Cholesteatoma involving the epitympanum.
✔️Chronic otitis media (localized).
⭕️Anatomically ear has three parts:External ear, Middle Ear and inner Ear.
✔️Incisura terminalis is an important landmark for incision for mastoid surgery, this area has no cartilage.
✔️External Auditory Canal.
✔️Tympanic membrane is mobile, has 2 parts:Pars tensa which form most of membrane and pars flaccida which is the lower part of membrane.
✔️Middle ear cavity is divided into: Mesotympanum , Epitympanum and Hypotympanum.
✔️Middle ear is like a six sided box which has roof, floor, medial wall, lateral wall, anterior wall, posterior wall.
✔️Footplate of stapes attach to the oval window.
✔️Bony labyrinth filled with perilymph.
✔️MEMBRANOUS labyrinth filled with endolymph.