Malignant hyperthermia 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 46-year-old woman is undergoing a laparoscopic hysterectomy and receiving desflurane for anesthesia maintenance. An hour into the procedure, the patient becomes tachycardic. Temperature is 39.3 °C (102.7 °F), pulse is 142/min, respirations are 30/min, blood pressure is 130/78 mmHg, and oxygen saturation is 100% on the ventilator. On examination, generalized muscle rigidity is noted. The patient is over-breathing the ventilator, and end-tidal CO2 is high. An ECG is obtained. Which of the following would most likely be seen on the ECG?

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Notched P wave

ST elevations

Peaked T waves

Prominent U waves

J waves (Osborn waves)