Details Title: acute resp distress syndrome Description: PA CLin Med Total Flash Cards: 21 Created: 09/28/2009 12:45:40		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Health Care Flashcards
Cards in this set: Term ARDS Definition common deadly problem results from anything that severely injures the type I pneumocytes and capillary endothelium lining the lungs Term what % ICU admissions get ARDS Definition 10% Term what is the mortality rate of ARDS Definition 30-40% Term ARDS etiology: 7 Definition 1. systemic process(sepsis, shock) 2. pulmonary infection 3. aspiration 4. inhaled toxins 5. traumatic pulmonary contusions 6. narcotics overdose 7. immunogenic (lupus) Term definition of ARDS: Definition acute onset of infiltrates on CXR PaO2/FiO2 = <200mmHg noncardiogenic pulmonary edema condition originates from a direct insult in injury to the alveolar capillary membrane with fluid accumulation within the airspaces of the lung Term first 7 days of ARDS = Definition exudative; early alveolar edema & leukocytic infiltration of lungs with formation of hyaline membranes Term proliferative phase of ARDS = Definition day7-day21; interstitial inflammation, early fibrotic changes Type II pneumocytes, fibroblasts, mypfibroblasts proliferate Term fibrotic phase of ARDS: Definition 3-4wks after initial pulmoary injury; remodeling, fibrosis and bullae formation Term as ARDS progresses _________________ develops Definition fibroproliferation develops Term initially in ARDS pCO2 is ___ or ______ associated with increased ___________. Definition PaCO2 is low or normal assoc w increaed ventilation Term what happens with the pulmonary blood pressure in ARDS Definition pulmonary HTN Term Hypoxia in the lungs leads to: Definition shunting Term in ARDS is there increased or decreased lung ocmpliance? Definition DECREASED Term what % of the lung is participating in gas exchange with ARDS? Definition 25% Term clinical manifestations of ARDS: Definition tachypnea, diffuse crackles, NO sign of volume overload Term ABG in ARDS shows: Definition hypoxemia, resp alkilosis in early phase, and resp acidosis in progression Term ARDS CXR shows: Definition White out Term what presents very similar to ARDS? Definition pulmoary emboli Term ARDS Tx: Definition Tx underlying disease O2 correct acidosis antibiotics brochodilator heparin Term 2 main things for ARDS Tx Definition treat the underlying cause & respiratory support Term complications of ARDS Tx Definition ventilator induced lung injury; too much pressure in lungs leads to capillary collapse. oxygen of toxicity