1. 3 risk factors for ARDS: Answer African Americans, males, aspiration 2. Prevention for ARDS: Answer recognize sepsis early, prevent aspiration (elevate headof bed, etc.) 3. Refractory hypoxemia: Answer hypoxemia that does not respond to O2 therapy 4. Acute respiratory distress syndrome: Answer acute lung injury with a sudden onset,characterized by pulmonary edema and refractory hypoxemia 5. What is the cause of death in ARDS?: Answer multisystem organ failure (32% mortalityrate) 6. Describe ARDS disease process: Answer 1. initiation of ARDS - bacteria adheres toalveoli and capillaries. 2. onset of pulmonary edema 3. alveolar collapse 4. end-stage - reduced gas exchange 7. ARDS risk factors by DIRECT injury: Answer smoke inhalation, pulmonary contusion,ASPIRATION, prolong inhalation of high conc. O2, fat/air embolism, infection