ENT

ENT

Study of Ear, Nose & Throat
Neuros

Neuros commented on the question

  • December 18 2014
  • ENT

Angel's Sign

What is Angel's sign?

2 people liked this
Neuros
Neuros
December 18 2014 #

Purpose: this is done to detect or increase the sensitivty to detect perforation of the tympanic membrane How it is done: the patient is asked to blow against a pinched nose while an otoscope is placed in the ear. A...Read More

2 people liked this
Neuros

Neuros started a question

  • December 18 2014
  • ENT

Angel's Sign

What is Angel's sign?

2 people liked this
Neuros

Neuros commented on the question

  • December 07 2014
  • ENT

Trotter's triad

Write a short note on trotter's triad

Neuros
Neuros
December 07 2014 #

The triad comprises of;
  1. Unilateral conductive hearing loss (eustachian tube blockage)
  2. Ipsilateral facial & ear pain (cranial nerve V involvement)
  3. Ipsilateral paralysis of soft palate (cranial nerve X involvement)
Im...Read More

Uncer liked this
Neuros

Neuros commented on the question

  • February 05 2014
  • ENT

Normal hearing

Write a short note on mechanism of normal hearing.

Neuros
Neuros
February 05 2014 #

The mechanism of hearing is divided into:
  1. Mechanical conduction of sound ( conductive appartus)
  2. Transduction of mechanical energy to electrical impulses( sensory system of cochlea)
  3. Conduction of electrical impulses t...
Read More

2 people liked this
Neuros

Neuros commented on the question

  • January 13 2014
  • ENT

Tympanic membrane

Write a short note on tympanic membrane

2 people liked this
Neuros
Neuros
January 13 2014 #

The tympanic membrane is a thin, translucent disc situated between the external and middle ear. It is functionally and structurally the lateral wall of the tympanic cavity. Picture Source: Instant Anatomy
  • Size : A...
Read More

Neuros

Neuros commented on the question

  • January 13 2014
  • ENT

Middle ear

Write a short note on anatomy of middle ear.

Neuros
Neuros
January 13 2014 #

Middle ear (tympanum) lies between the external ear and inner ear. the shape is like a biconcave disc. Middle ear cleft consists of middle ear, eustachian tube, aditus, antrum and the mastoid cells. It is lined by muc...Read More

vas liked this
Neuros

Neuros commented on the question

  • January 03 2014
  • ENT

Achalasia

Write a short note on achalasia cardia

Neuros
Neuros
January 03 2014 #

Achalasia is a primary esophageal motility disorder characterized by the absence of esophageal peristalsis and an increase in LES tone. ETIOLOGY: degenration of myenteric plexus of Auerbach. The loss of postganglionic...Read More

Neuros Team

Neuros Team commented on the question

  • December 13 2013
  • ENT

Gelle's test

Write a short note on Gelle's test.

Neuros Team
Neuros Team
December 13 2013 #

Tuning fork test is done to know the type of deafness- sensorineural or conductive deafness and the degree of deafness. The tuning fork of frequency 512 is generally used for this purpose. Gelle's test: Its is a test...Read More

Neuros Team

Neuros Team commented on the question

  • December 13 2013
  • ENT

Gelle's test

Write a short note on Gelle's test

Neuros Team
Neuros Team
December 13 2013 #

Tuning fork test is done to know the type of deafness- sensorineural or conductive deafness and the degree of deafness. The tuning fork of frequency 512 is generally used for this purpose. Gelle's test: Its is a test...Read More

Neuros Team

Neuros Team commented on the question

  • December 13 2013
  • ENT

Hearing

Write a short note on theories of hearing.

Neuros Team
Neuros Team
December 13 2013 #

Travelling wave theory ( Bekesy): Postulates that the sound waves starting from the oval window produce a wave which travels along the basilar membrane to the apex of the cochlea, increasing in amplitude and finally d...Read More

Neuros Team

Neuros Team commented on the question

  • December 13 2013
  • ENT

Labyrinth

Write a short note on membranous labyrinth.

Neuros Team
Neuros Team
December 13 2013 #

It consists the cochlear duct, the utricle and saccule, the three semicircular ducts, and the endolymphatic duct and sac. Cochlear duct:Also called membranous cochlear or the scala media. It is a blind coiled tube whi...Read More

Neuros Team

Neuros Team commented on the question

  • December 13 2013
  • ENT

Rhinne's test

Write a short note on Rhinne's test.

Neuros Team
Neuros Team
December 13 2013 #

Tuning fork test is done to know the type of deafness- sensorineural or conductive deafness and the degree of deafness. The tuning fork of frequency 512 is generally used for this purpose. Rinnes test: In this test th...Read More

Neuros Team

Neuros Team commented on the question

  • December 12 2013
  • ENT

Mastoid

Write a short note on mastoid air cell system

Neuros Team
Neuros Team
December 12 2013 #

The mastoid consists of bone cortex with a “honeycomb” of air cells underneath. Depending on development of air cell, three types of mastoid have been described. Well pneumatised or cellular: Mastoid cells are wel...Read More

Vidula liked this
Neuros Team

Neuros Team commented on the question

  • November 11 2013
  • ENT

Eustachian tube

Write a short note on Eustachian tube.

Neuros Team
Neuros Team
November 11 2013 #

Eustachian tube connects the tympanic cavity with the nasopharynx. Features of the tube are :
  • Size - 36mm in adults. It runs downwards, forwards and medially from its tympanic end forming an angle of  45 degrees wit...
Read More

Arafat liked this
Neuros Team

Neuros Team commented on the question

  • November 09 2013
  • ENT

Curved membrane effect

Write a short note on curved membrane effect.

2 people liked this
Neuros Team
Neuros Team
November 09 2013 #

The middle ear converts spund of greater amplitude, lesser force to lesser amplitude and greater force. This function of the middle ear is impedance matching mechanism or the transformer action. It is accomplished by ...Read More

Mounish Nuthalapati liked this
Neuros Team

Neuros Team commented on the question

  • November 09 2013
  • ENT

Tympanic membrane

Write a short note on hydraulic action of tympanic membrane

Neuros Team
Neuros Team
November 09 2013 #

The middle ear converts sound of greater amplitude, lesser force to lesser amplitude and greater force. This function of the middle ear is impedance matching mechanism or the transformer action. It is accomplished by ...Read More

Neuros Team

Neuros Team commented on the question

  • November 09 2013
  • ENT

Tympanic plexus

Write a short note on tympanic plexus.

Neuros Team
Neuros Team
November 09 2013 #

The tympanic nerve, divides into branches in side the tympanic cavity that form the plexus. Tympanic plexus lies on the promontory.  It is formed by -
  • tympanic branch of the glossopharyngeal nerve
  • sympathetic fibres...
Read More

Neuros

Neuros commented on the question

  • August 10 2013
  • ENT

Neuralgia

Write a short note on trigeminal neuralgia (Tic Dolereaux)

SATHYA PRAKASH liked this
Neuros
Neuros
August 10 2013 #

Also called tic douloureux. It is a chronic pain condition affecting the Trigeminal nerve. Any mild stimulation of the face may lead to exccruciating pain. This is because the trigeminal nerve carries sensation from t...Read More

Ibrahim commented on the question

  • July 02 2013
  • ENT

Cyst

Write a short note on thyroglossal cyst

Ibrahim
July 02 2013 #

It is the commonest midline neck swelling,it can develop at any point in thyroglossal duct which descend from foramen caecum at tongue base downwards to form thyroid isthmus.it moves up and down with deglutition and p...Read More

Ibrahim commented on the question

  • June 29 2013
  • ENT

AIDS

Write a short note on ENT manifestations in AIDS

Ibrahim
June 29 2013 #

Moniliasis, kaposi sarcoma, hairy leukoplakia, cervical lymphadenopathy, multiple parotid cysts and recrrent infections

Arshia Farheen liked this