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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
What was ARDS first reffered to as? "Shock Lung Syndrome"
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
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.
What are the clinical manifestations of ARDS? Atelectais, Alveolar consolidation, increased alveolar-capillary membrane thickness.
What is the clinical data obtained at the bedside. Increased RR, HR, BP, CO.Chest: Dull percusion note, bronchial breath sounds, crackles.
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.
What are the radiologic findings for ARDS? Increased opacity.
What ventilator setting should you use for ARDS patients? Low tidal volumes (4-8ml/kg) and high respiratory rates (as high as 35bpm).
Created by: ruesca