202 Resp Student PPP W 2011 days 1 and 2

202 Resp Student PPP W 2011 days 1 and 2 - 1 2 Acute...

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Unformatted text preview: 1 2 Acute Respiratory Failure Classified by ABG abnormalities PaO2 < SaO2 < PaCO2 > with pH < Caused by failure of: Ventilation Oxygenation Both W - 2011 3 Acute Respiratory Failure Pulmonary system is unable to maintain Common causes pulmonary embolism (PE) flail chest pneumothorax hemothorax pulmonary edema 4 Pulmonary Embolism (PE) Other causes DVT Clot dislodges & floats down stream W 2010 5 Etiology : At greatest risk: Stasis of Endothelial DVT/VTE Other Risk Factors hx thromboembolism immobility surgery trauma advanced hormone therapy W 2010 6 2 million cases/yr Sx Unilateral distal Localized DVT/VTE The most common complication of LE surgery or trauma Note: Homans sign is unreliable and is therefore no longer recommended W 2010 7 Dx lab test D-Dimer- Normal: ~ Low value High value may indicate T h e r e f o r e a l o w v a l u e i s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ b u t a h i g h v a l u e i s n o t D-Dimer: global marker of coagulation activation; measures fibrin degradation products produced from fibrinolysis W 2010 8 Management of DVT SCDs Elevation of extremity Warm, moist compresses Anticoagulants Heparin (unfractionated heparin [UFH]) IV or SQ for Pts w/ confirmed clots SQ to prevent clots in high risk Pts Low-molecular weight heparins (LMWHs) / dalteparin / enoxaparin Selective factor Xa inhibitors / fondaparinux Oral anticoagulant / warfarin Thrombolytics- - Streptokinase W 2010 9 Promote circulation Early Leg Avoid Prolonged Constricting clothing Leg elevation Hose TED Pneumatic (SCDs) Foot pump Good Rx prophylaxis anti- anti- Prevention of DVT P r e v e n t i n g D V T s p r e v e n t s P E s 10 Sx of PE Resp Pleuritic Crackles Note: Sx & Tx of PE & fat embolism are virtually the same W - 2011 Cardiac JVD Other Low fever Petechiae See Chart 34-2 Pg. 679 W 2010...
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This note was uploaded on 04/21/2011 for the course NURSING 105 taught by Professor Copeland during the Winter '09 term at Grand Valley State University.

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202 Resp Student PPP W 2011 days 1 and 2 - 1 2 Acute...

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