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학습 자료 둘러보기 →A sudden onset of severe chest pain and shortness of breath in a postoperative TKA patient is a classic sign of a pulmonary embolism (PE), a life-threatening complication. This presentation indicates an acute obstruction in the pulmonary vasculature and requires immediate intervention over all other findings.
The risk stems from Virchow's triad: venous stasis from immobility, endothelial injury from surgery, and a postoperative hypercoagulable state. A dislodged deep vein thrombosis (DVT) creates a ventilation-perfusion mismatch, rapidly leading to impaired gas exchange and potential cardiovascular collapse.
Do not dismiss this as anxiety or incisional pain. Immediate actions include administering high-flow oxygen, notifying the rapid response team, and preparing for diagnostic tests like a CT pulmonary angiogram. Expected findings like moderate incisional pain or serosanguineous drainage are lower priority.
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