Category: A

  • Akee

    The tropical tree Blighia sapida, of the soapberry family. Ingestion of its unripe fruit can cause severe hypoglycemia. The akee fruit, which is commonly consumed in the Caribbean region as an accompaniment to salted fish, particularly in the breakfast dish “salt cod and akee,” can be substituted with the avocado fruit. The akee fruit is…

  • Ajellomyces dermatiditis

    The sexual form of the pathogenic yeast Blastomycosis dermatidis.  

  • Ajellomyces capsulatus

    The sexual, perfect, form of the yeast Histoplasma capsulatum in its asexual form.  

  • Airway opening pressure

    The pressure at the access point to a patient’s airway, (nose, mouth, or for a mechanically ventilated patient, trachea). When this pressure exceeds the pressure in the alveoli, gases tend to move into the lower airways and open the alveoli. When this pressure is less than alveolar pressure, gases tend to move out of the…

  • Air medical transportation

    The use of helicopters or fixed-wing aircraft to transport patients from the scene of an incident or local hospital to a regional trauma or specialty care center,  

  • Air leak

    Any injury to the lung in which air escapes the tracheobronchial tree. Pneumothorax, pneumomediastinum, pneumopericardium, pulmonary interstitial edema, and subcutaneous emphysema are examples.  

  • Air gap principle

    A procedure used to decrease the amount of scattered radiation reaching the radiographic film by increasing the object-image receptor distance.  

  • Room air

    Unmodified, ambient air. The typical oxygen concentration is 21%.  

  • AIDS wasting syndrome

    Malnutrition in the HIV-infected patient, including both starvation (weight loss from lack of food) and cachexia (loss of lean body mass).  

  • Aichmophobia

    Morbid fear of being touched by pointed objects or fingers.