ARDS
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| What are the pathologic or structural changes with ARDS? | Interstitial and intra-alveolar edema and hemorrhage Alveloar consolidationIntra-alveloar hyaline membranepulmonary surfactant deficiency or abnormalityatelectasis
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| What was ARDS first reffered to as? | "Shock Lung Syndrome"
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| What are the etiologic factors that may produce ARDS? | Aspiration, disseminated intracascular coagulation, drug overdose, fat or air emboli, fluid overload, infection, inahaltion of toxins and irritants, immunologic reaction, massive blood transfusion, Oxygen toxicity, pulmonary ischemia
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| What are the etiologic factors that may produce ARDS? | radiation induced lung injury, shock, systemic reactions to preocesses initiated outside the lungs, thoracic trauma, uremia.
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| What are the clinical manifestations of ARDS? | Atelectais, Alveolar consolidation, increased alveolar-capillary membrane thickness.
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| What is the clinical data obtained at the bedside. | Increased RR, HR, BP, CO.Chest: Dull percusion note, bronchial breath sounds, crackles.
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| What is the clinical data obtained from the lab? | Expiratory maneuver: PEFR(N), FEF50%(N), FEF200-1200(N), FEV1%(NorINC), rest low.Lung volumes: lowABG:Mild to moderate-acute alveolar hyperventilation with hypoxemia. Severe-Acute ventilatory failure with hypoxemia.
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| What are the radiologic findings for ARDS? | Increased opacity.
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| What ventilator setting should you use for ARDS patients? | Low tidal volumes (4-8ml/kg) and high respiratory rates (as high as 35bpm).
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