Military surgery of the ear, nose and throat

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Lea & Febiger, 1918 - 176 pages
 

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Page 115 - Congress declared that a state of war existed between the United States and Germany.
Page 71 - In those cases summation of stimuli plays an important part in the perception of sound. There is a marked diminution of the duration of hearing along the whole series of forks, both through bone and air. This corresponds and exists pari passu with concentric limitation of the fields of vision. Often both improve together. Frequently the field of vision is more retracted on the side having the greater deficiency of hearing. If the conducting mechanism is damaged or destroyed it not only takes longer...
Page 72 - As a result of the concussion due to explosives there is frequently a trauma demonstrable in the ear. This may be accompanied by neurosis (traumatic neurosis), especially headaches and vertigo. The perception of sound is diminished over the whole normal range; the diminution may be so great as totally to abolish perception of sound.
Page 111 - With head in upright position it should be rotary and the direction of the jerk should be to the side opposite the ear douched. The length of the douching shown by the stop watch in the normal is 40 seconds. The eyes are then closed and the past-pointing is taken.
Page 109 - ... perpendicular position ; lowers the arm and attempts to find the examiner's finger. First the right arm, then the left arm. The normal is always able to find the finger. 2>. The pointing test is again repeated after turning to the right ten times in 10 seconds.
Page 109 - Turn to the right five times in 10 seconds. On stopping, examinee raises his head and should fall to the right. This tests the vertical semicircular canals. Turn to the left, head forward 90° ; on stopping, the examinee raises his head and should fall to the left. The...
Page 111 - ... opposite the ear douched. The length of the douching shown by the stop watch in the normal is 40 seconds. The eyes are then closed and the past pointing is taken. The head is then immediately inclined backward 60° from the perpendicular; there should appear a horizontal nystagmus to the side opposite the ear douched. The eyes are then closed and the past pointing is taken with the head in this position. The left ear is then douched and the same procedure is carried out.
Page 109 - The instant the chair is stopped, click the stop watch; examinee opens his eyes and looks straight ahead at some distant point. There should occur a horizontal nystagmus to the left of 26 seconds
Page 71 - It is essential to differentiate vibrations from musical notes. 3. There is a marked diminution of the duration of hearing along the whole series of forks, both through bone and air. 4. The normal stimulus (musical notes or voice) is an adequate stimulus for the nerve and is the best stimulus. Electricity is contraindicated and likely to do harm since it so easily produces vertigo. 5. If the conducting mechanism is damaged or destroyed, it not only takes longer to get improvement, but complete recovery...
Page 52 - Any psychic shock or strain may cause a functional neurosis provided it be of sufficient intensity relative to the nerve resistance of the individual. Such shock or strain need not have any connection with sex "complexes.

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