Vicious circles in disease / by Jamieson B. Hurry.

  • Jamieson Boyd Hurry
Date:
1913
Catalogue details

Licence: Public Domain Mark

Credit: Vicious circles in disease / by Jamieson B. Hurry. Source: Wellcome Collection.

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    inspiration. The consequent dyspnoea is apt to lead to further retraction ; the tongue may even come to be fixed in the gullet like a wedge, obstructing the larynx so completely that no air can reach the lungs. Several cases of asphyxia are on record. Neoplasms. Schrotter has called attention to a Circle that may be present where a new growth is associated with laryngeal catarrh : “ Chronic catarrh is very frequently associated with new growths in the larynx, a Vicious Circle being obviously present. The catarrh leads to the formation of the neoplasm and this, especially if pedunculated, keeps up the catarrh.” 1 Sometimes a neoplasm has been sucked into the glottis so as to provoke urgent dyspnoea, followed by increased impaction and death. Paralysis of the Abductors. A deadly vor¬ tex may be set up in connection with paralysis of the abductors, i.e. the posterior crico-arytenoid muscles. In normal respiration the glottis dilates with every inspiration, and the deeper the inspiration the wider the glottis. Where, however, the ab¬ ductors are paralysed, inspiration is no longer assisted by dilation of the glottis, but, on the contrary, is impeded by increased approximation of the cords, which are separated by a mere chink. The narrowing 1 Vorlesungen iiber die Krankheiten des Kehlkopfes, p. 66.