SOLVED1070

C.D., a 78-year-old woman, presents to the cardiology clinic after experiencing several days of fatigue and a “racing heart.” On physical examination, her pulse is irregularly irregular, and her heart rate is 120 beats/minute. Weight 65kg, height 65 inches, SCr 1.2 mg/dl. All other labs are within normal limits. Using electrocardiography (ECG), a diagnosis of Atrial Fibrillation is made, and cardioversion (CVN) is planned. Four weeks after successful CVN, C.D. is readmitted in AF. Her CHA2DS2-Vasc score is 3 (female, age). Six months passed, and C.D.’s INR has been variable. Today, her INR is 3.2 on a warfarin dose of 5mg daily, and her cardiologist recommends switching to rivaroxaban (Xarelto). Which of the following is the most appropriate recommendation? a. Discontinue warfarin and start rivaroxaban 15mg BID when INR is less than 2.0. b. Discontinue warfarin and start rivaroxaban 20mg once daily when INR is less than 2.0. c. Discontinue warfarin and start rivaroxaban 15mg once daily when INR is less than 3.0. d. Discontinue warfarin and start rivaroxaban 20mg once daily when INR is less than 3.0.
SCIENCE
HEALTH SCIENCE
NURSING

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