منابع مشابه
Respiration during feeding on solid food: alterations in breathing during mastication, pharyngeal bolus aggregation, and swallowing.
During feeding, solid food is chewed and propelled to the oropharynx, where the bolus gradually aggregates while the larynx remains open and breathing continues. The aggregated bolus in the valleculae is exposed to respiratory airflow, yet aspiration is rare in healthy individuals. The mechanism for preventing aspiration during bolus aggregation is unclear. One possibility is that alterations i...
متن کاملPharyngeal constrictions.
From a fiberscope, the tip of which was swung from left to right in the pharynx, cinefilm frames were obtained which showed the cross-sectional shape of pharyngeal constrictions in back vowels. This information was combined with the information offered by X-ray pictures of the same subject phonating the same vowels on a different occasion. The results agree to a reasonable extent with previousl...
متن کاملCase of Asphyxia Caused by Post Pharyngeal Abscess; Resusctation by Evacuation, and Howard's Direct Method of Artificial Respiration
The following case presents some points of interest which I think renders it worth recording. I was recently called in hurriedly by a native medical practitioner for the purpose of performing tracheotomy on a child suffering from an inflammatory affection of the throat, which was causing alarming symptoms of difficulty of breathing. The child was about 1J years old, and had shown symptoms of in...
متن کاملMechanical effects of pharyngeal constrictor activation on pharyngeal airway function.
The mechanical effects of pharyngeal constrictor (PC) muscle activation on pharyngeal airway function were determined in 20 decerebrate, tracheotomized cats. In 10 cats, a high-compliance balloon attached to a pressure transducer was partially inflated to just occlude the pharyngeal airway. During progressive hyperoxic hypercapnia, changes in pharyngeal balloon pressure were directly related to...
متن کاملPharyngeal Packing during Rhinoplasty: Advantages and Disadvantages
Introduction: Controversy remains as to the advantages and disadvantages of pharyngeal packing during septorhinoplasty. Our study investigated the effect of pharyngeal packing on postoperative nausea and vomiting and sore throat following this type of surgery or septorhinoplasty. Materials and Methods: This clinical trial was performed on 90 American Society of Anesthesiologists (ASA) I or II...
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ژورنال
عنوان ژورنال: The Journal of Physiology
سال: 1879
ISSN: 0022-3751
DOI: 10.1113/jphysiol.1879.sp000047