Dysrhythmias I

Cardiovascular System


{"ops":[{"insert":"A 76-year-old woman is seen in the office for a routine health maintenance examination. She reports intermittent palpitations which have become more frequent over the last 2 days. She has a history of hypertension. Her pulse is 120\/min and blood pressure is 150\/90 mmHg. Lungs are clear to auscultation. Cardiac examination shows an irregularly irregular rhythm. ECG shows no P waves and widely variable RR intervals without a repetitive pattern. An oral beta blocker is administered as a rate control strategy and her heart rate drops to 80\/min. She is averse to frequent blood tests.\n\nConsidering the risk of thromboembolism in this patient, which of the following is the best management option?"},{"insert":"\n"}]}

Background

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(A)

Warfarin
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(B)

Aspirin
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(C)

Edoxaban
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(D)

Enoxaparin
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(E)

No anticoagulation
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References

{"ops":[{"insert":"COPPOLA G, MANNO G, MIGNANO A, LUPARELLI M, ZARCONE A, NOVO G, CORRADO E. Management of Direct Oral Anticoagulants in Patients with Atrial Fibrillation Undergoing Cardioversion. Medicina (Kaunas) [online] 2019 Sep 30 [viewed 02 November 2019] Available from: http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/31574989"},{"insert":"\n","attributes":{"list":"ordered"}},{"insert":"JANUARY CT, WANN LS, CALKINS H, CHEN LY, CIGARROA JE, CLEVELAND JC JR, ELLINOR PT, EZEKOWITZ MD, FIELD ME, FURIE KL, HEIDENREICH PA, MURRAY KT, SHEA JB, TRACY CM, YANCY CW. 2019 AHA\/ACC\/HRS Focused Update of the 2014 AHA\/ACC\/HRS Guideline for the Management of Patients With Atrial Fibrillation: A Report of the American College of Cardiology\/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society in Collaboration With the Society of Thoracic Surgeons. Circulation [online] 2019 Jul 9, 140(2):e125-e151 [viewed 02 November 2019] Available from: http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/30686041"},{"insert":"\n","attributes":{"list":"ordered"}},{"insert":"JANUARY CT, WANN LS, ALPERT JS, CALKINS H, CIGARROA JE, CLEVELAND JC JR, CONTI JB, ELLINOR PT, EZEKOWITZ MD, FIELD ME, MURRAY KT, SACCO RL, STEVENSON WG, TCHOU PJ, TRACY CM, YANCY CW, ACC\/AHA TASK FORCE MEMBERS.. 2014 AHA\/ACC\/HRS guideline for the management of patients with atrial fibrillation: a report of the American College of Cardiology\/American Heart Association Task Force on practice guidelines and the Heart Rhythm Society. Circulation [online] 2014 Dec 2, 130(23):e199-267 [viewed 02 November 2019] Available from: http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/24682347"},{"insert":"\n","attributes":{"list":"ordered"}}]}

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