Peter Zimetbaum, MD
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DOACs now recommended over warfarin to prevent blood clots in people with atrial fibrillation
For decades, people with atrial fibrillation were prescribed warfarin to prevent blood clots. But a new type of anticoagulant medication (known as DOACs) that came on the market in 2010 has proven to be at least as effective as warfarin, with fewer side effects and without the need for blood test monitoring.