A practical treatise on medical diagnosis : for students and physicians . terior portions of the cords cometogether in phonation, but the posterior portions do not, leaving atriangular opening posteriorly. (See Fig. 29.) Or, the thyro-arytenoideus internus may alone be affected. There isthen dysphonia or aphonia, as before, but the cords come together atboth extremities and remain apart in the middle, forming an ovalopening. (See Fig. 30.) Causal disease. These paralyses occur in hysteria, catarrh, or severeoverstrain of the voice. 3. Paralysis of the Openers of the Glottis, or Abduc-tors op t
A practical treatise on medical diagnosis : for students and physicians . terior portions of the cords cometogether in phonation, but the posterior portions do not, leaving atriangular opening posteriorly. (See Fig. 29.) Or, the thyro-arytenoideus internus may alone be affected. There isthen dysphonia or aphonia, as before, but the cords come together atboth extremities and remain apart in the middle, forming an ovalopening. (See Fig. 30.) Causal disease. These paralyses occur in hysteria, catarrh, or severeoverstrain of the voice. 3. Paralysis of the Openers of the Glottis, or Abduc-tors op the Cords. The muscle affected is the crico-arytenoideusposticus, and the nerve is the recurrent laryngeal. DISEASES OF THE NOSE AND LAEYNX. 215 Symptoms. When one side is affected the respiration is free, butthere is stridor on forced inspiration. The voice is harsh. Laryngeal Examination. One cord remains in the middle line.(See Fig. 31.) When both sides are affected there is gradually developing inspi-ratory dyspnoea with stridor. The voice is nearly normal. Fig. Paralysis of the left recurrent nerve : inspiration. (Gottstein.) Laryngeal Examination. The glottis is a narrow cleft which becomesstill narrower on inspiration. Complete Paralysis of the Recurrent Laryngeal Unilateral paralysis. A weak toneless voice which goesinto a falsetto when the patient endeavors to speak loud. Laryngeal Examination. The cord and arytenoid body are in thecadaveric position, viz., half-way between the phonating and the in-spiratory positions. In phonation the other cord passes beyond themiddle line, and the glottis is slanting. The edge of the paralyzedcord is excavated. Bilateral paralysis. Aphonia and inability to cough and expectorate. Laryngeal Examination. Both cords are in the cadaveric positionand their edges excavated. The adductors are usually paralyzed before the abductors, and one cansee all the intermediate stages by close watching. Causal disease. The conditio
Size: 2017px × 1239px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthormusserjo, bookcentury1800, bookdecade1890, bookyear1894
