Case Study 7 Atrial Fibrillation and Oral A

Scenario You are the nurse working in an anticoagulation clinic. One of your patients is K.N., who has a long- standing history of an irregular heartbeat, known as atrial fibrillation or A-fib, for which he takes the oral anticoagulant warfarin (Coumadin). Recently K.N. had his mitral heart valve replaced with a mechanical valve.