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Pulmonary Embolism Pathophysiology Nursing - NCLEX Quiz
Pulmonary embolism (PE) occurs when a pulmonary artery becomes blocked—usually by a blood clot that has broken free from its site of origin and embolized or migrated to the lungs. If misdiagnosed, unrecognized, or untreated, PE can cause death quickly—within just an hour. It’s fatal in up to 26% of cases.