Atrial fibrillation and atrial flutter 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 59-year-old man presents to the clinic for an annual well-patient visit. He has no specific concerns but reports on review of symptoms occasional daytime fatigue. His wife mentions that the patient snores frequently. Past medical history is notable for hypertension and class II obesity. He drinks 1-2 beers nightly. Temperature is 37°C (98.6°F), blood pressure is 138/88 mm Hg, heart rate is 92 beats per minute, respiratory rate is 12 breaths per minute, and oxygen saturation is 99% on room air. BMI is 38 kg/m2. Cardiac auscultation reveals an irregular rhythm. Bilaterally Lungs are clear to auscultation. There is no peripheral edema. On ECG an irregular rhythm is seen, P Waves are absent, and the heart rate is 92 beats per minute. Which of the following is most likely associated with this patient’s cardiac arrhythmia? 

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