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.
Dec. 28, 2007 -- Severe COPD patients treated with Advair or Spiriva had the same rate of COPD attacks, but Advair patients were only half as likely to die. The finding comes from a head-to-head study pitting Advair against Spiriva in the treatment of patients with very serious chronic obstructive pulmonary disease .