Scenario5
A 45-year-old woman is 10 days status post partial small bowel resection for Crohn Disease and has been recuperating at home. She suddenly develops severe shortness of breath, becomes weak, and her blood pressure drops to 80/40 mmHg (previous readings 130/80s mmHg). The pulse oximetry is 89% on room air. The APRN suspects the patient experienced a massive pulmonary embolus.
In two paragraphs
Explain why a large pulmonary embolus interferes with oxygenation. Then relate it to the scenario.