The definition of a possum, or opossum, is a tree-dwelling nocturnal marsupial with fur and a prehensile tail. A small Australian mammal that lives in a tree and only comes out at night is an example of a possum. possum. possum.
More than two thirds of patients who die of anaphylaxis do so within the first: half hour. ____, a harsh, high-pitched inspiratory sound, occurs when swelling in the upper airway closes off the airway; the swelling can eventually lead to total obstruction. Stridor.
Injection of epinephrine is the first-aid medication of choice for anaphylaxis, as recommended in all anaphylaxis guidelines. Most guidelines also recommend injecting epinephrine from an auto-injector intramuscularly in the midanterolateral aspect of the thigh.3. Epinephrine's Î±1-, Î²1-, and Î²2-adrenergic effects in most body systems can both prevent and relieve the life-threatening symptoms of anaphylaxis.