Practice Question # 827.
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Uses of Warfarin (Coumadin):
Treatment of patients with atrial fibrillation, artificial heart valves, or valvular damage that makes patient susceptible to thrombus and embolus formation; prevention and treatment of venous thrombosis, pulmonary embolus, embolus with atrial fibrillation, systemic emboli after myocardial infarction.
10–15 mg/d PO, then 2–10 mg/d PO based on PT ratio or INR; use lower doses with geriatric patients.