D De Lallo Chapter13

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D De Lallo Chapter13

  1. 1. Danielle DeLallo Biology 120 R. Abdullah
  2. 2. <ul><li>Used to assist in drainage of trapped fluid equalize pressure between middle ear cavity and atmosphere </li></ul><ul><li>Procedure most frequently used to treat chronic otitis media in children </li></ul><ul><li>Infants and children more prone due to flat Eustachian tube </li></ul><ul><li>Removed after child is older and Eustachian tube becomes more functional </li></ul>
  3. 3. <ul><li>Eustachian tube in infants and young children is short and flat, which can hinder proper functioning. </li></ul>Source: http://drharris.ucsd.edu
  4. 4. <ul><li>Medical specialization involving the diagnosis and treatment of conditions and diseases of the eye, ear, nose and throat region </li></ul>
  5. 5. <ul><li>Conduction of sound to the inner ear through the bones of the skull </li></ul><ul><li>Tends to amplify lower frequencies </li></ul><ul><li>Concept used in some hearing aids </li></ul><ul><li>Is the reason our voices sound different to ourselves than when heard on a recording </li></ul>
  6. 6. <ul><li>Abbreviation of the Latin term Auris utro </li></ul><ul><li>Translated as “each ear” </li></ul><ul><li>Abbreviation is frequently confused with OU, Oculus utro , meaning both eyes or “each eye” </li></ul>
  7. 7. <ul><li>Middle Ear Infection </li></ul><ul><li>Most common in infants and young children </li></ul>
  8. 8. <ul><li>Condition of normal vision </li></ul>
  9. 9. <ul><li>Outward turning of the eye. </li></ul><ul><li>Also referred to as wall-eyed. </li></ul><ul><li>Caused by strabismus, weakness of eye muscle(s). </li></ul>
  10. 10. <ul><li>Abbreviation of Latin term Oculus sinister </li></ul>
  11. 11. <ul><li>Eye movements </li></ul><ul><li>Tests to assess EOM, without moving head and should not result in diplopia: </li></ul><ul><ul><li>Smooth pursuit: follow object along full vertical and horizontal range </li></ul></ul><ul><ul><li>Convergence: fixate on an object as it is moved closer until it is at a point between patient’s eyes </li></ul></ul><ul><ul><li>Saccades: test of rapid refixation between two objects </li></ul></ul><ul><ul><li>Optokynetic nystagmus: watching parallel stripes go by the line of sight </li></ul></ul>
  12. 12. <ul><li>Visual Acuity Test assesses sharpness of patient’s vision. </li></ul><ul><li>Commonly uses a Snellen chart ( on left) at a distance of 20 feet. </li></ul>
  13. 13. <ul><li>www.petube.org </li></ul><ul><li>en.wikipedia.org </li></ul><ul><li>http://www.thechildrenshospital.org/imgs/Awards_or_honor_badges/PU_W07_Otitis2.jpg </li></ul><ul><li>http://www.pedseye.com/img/exo_ex_03.jpg </li></ul><ul><li>http://www.neuroexam.com </li></ul><ul><li>http://www.optivision2020.com/image-files/snellen-chart.jpg </li></ul>

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