Approach to diplopia 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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A 32-year-old man presents to the emergency department with a two-day history of constant horizontal double vision. He has no past medical history and takes no medication. His temperature is 37.0°C (98.6°F), pulse is 78/min, respirations are 14/min, and blood pressure is 120/80 mmHg. The external eye exam and fundoscopy are normal. Both pupils are equally round and reactive. When the patient looks to the right, his eye movements are conjugate. However, when looking left, the right eye fails to fully adduct and the left eye exhibits nystagmus. Facial muscle strength and sensation are normal. Although extremity strength is normal, there are three beats of clonus in the left ankle. He also reports numbness in the right hand that has been present for the past 3 months, which he attributed to carpal tunnel syndrome. Which of the following is the most likely cause of his symptoms?
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