Pressure-induced skin and soft tissue injury Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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An 82-year-old woman is transported to the emergency department from a nursing home for evaluation of altered mental status and fever for the past three days. Medical history includes well-controlled Type 2 diabetes mellitus, hypertension, and a right middle cerebral artery ischemic stroke that occurred five years ago. Due to the stroke, the patient has limited mobility and is largely bedbound. Temperature is 38.7°C (101.7°F), blood pressure is 179/98 mmHg, pulse is 83/min, and oxygen saturation is 98% on room air. Physical examination reveals a 10 cm x 10 cm x 3 cm wound with soft tissue necrosis and surrounding erythema in the gluteal region as shown in the image below. Which of the following best describes the underlying cause of this patient’s physical examination findings?  



Image reproduced from Wikimedia Commons

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