A practical treatise on medical diagnosis : for students and physicians . Paralysis of the Tensors of the Cords. The crico-thyroidmuscle is paralyzed; the superior laryngeal nerve, which supplies themuscle is concerned. The voice is deep and rough, and incapable ofproducing high tones. Usually, the whole nerve is involved, and theresult is ancesthesia of the larynx and paralysis of the epiglottis also. Laryngeal Examination. The epiglottis is fixed and back against thethe tongue. The glottis opening is a wavy line. Causal disease. The condition described occurs almost exclusivelyafter diphther
A practical treatise on medical diagnosis : for students and physicians . Paralysis of the Tensors of the Cords. The crico-thyroidmuscle is paralyzed; the superior laryngeal nerve, which supplies themuscle is concerned. The voice is deep and rough, and incapable ofproducing high tones. Usually, the whole nerve is involved, and theresult is ancesthesia of the larynx and paralysis of the epiglottis also. Laryngeal Examination. The epiglottis is fixed and back against thethe tongue. The glottis opening is a wavy line. Causal disease. The condition described occurs almost exclusivelyafter diphtheria. 2. Paralysis op the Closers op the Glottis, or Adductorsof the Cords. The muscles involved are the crico-arytenoideuslateralis, arytenoideus transversus, and the thyro-arytenoidei intern usand externus. The nerve is the recurrent laryngeal. The symptoms are complete aphonia, coming suddenly, and often assuddenly going. Laryngeal Examination. During phonation the cords remain in theinspiratory position. The paralysis may affect one or both sides. Fig. 29. Fig.
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