acute respiratory distress syndrome
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| risk factors for ARDS | sepsis, chest trauma, embolism, aspiration of gastric contents or other substances, burns, drug OD, pancreatitis
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| symptoms of ARDS | tachypnea, tachycardia, change in mental status, decreased FRC, respiratory alkalosis, elevated temperature and diaphoresis, worsening chest x-ray that progresses to white out, eventual extreme hypoxia (hallmark sign)
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| treatment | treat the cause
oxygenation and ventilation - positive end expiratory pressure
decrease anxiety and decrease pain
rotoprone bed
adequate nutrition
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| medications for ARDS | corticosteroids, surfactant, vasodilators, anticoagulants
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| patho of ARDS | initial insult - systemic inflammatory response syndrome --release of inflammatory mediators - damage to alveolar capillary membrane --> increased capillary permeability --> pulmonary edema -microatelectasis -decreased compliance and decreased surfactant
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