Questions & Answers About Atrial Fibrillation

At a Glance: Blood Thinners Prevent Stroke in Atrial Fibrillation

Blood Clots in Atrial Fibrillation

Atrial fibrillation is an irregular heart beat that can put you at risk for a blood clot to the brain, called a stroke.  Blood thinners protect you from stroke when you are in atrial fibrillation, also called a fib.

Blood Thinners

Blood thinners are anti-clotting medication.  When you start taking blood thinners, they are usually given first by needle or injection into your vein or belly with a blood thinner in pill form given on the same days as the injection for about 5 days.  When you take warfarin or Coumadin®, you will need a blood test called an INR, to see how well your blood thinner is working and to make sure your dose is just right.  Normal INR is usually between 2.0 and 3.0.  Newer blood thinner pills do not need blood tests, nor do injected blood thinners when given alone. 

Blood Thinner Benefits:                                                            Blood Thinner Risks

Length of Blood Thinner Treatment

You will likely be on blood thinners for life to prevent stroke.

How to Make Sure Your Blood Thinner Pill is Working

What You Can Do to Prevent Complications of a Blood Clot

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