Welcome to Atrial Fibrillation Association - US

Atrial Fibrillation Association - United States of America (AFA-US) is a non-profit organization which provides information, support and access to established, new or innovative treatments for atrial fibrillation (AFib).

AFib is the most common heart rhythm disorder (arrhythmia) affecting approximately 2.5 million people in the United States and over five million in Western Europe.

Atrial Fibrillation Clinical Trials

A listing of Atrial Fibrillation medical research trials actively recruiting patient volunteers. Click on the closest city to find more detailed information on a research study in your area.

Know Your Pulse (Conoce Tu Pulso)

You Could Save Your Life (Podría Salvar Tu Vida)

The AliveCor phone app that could save your life: Smartphone gadget could help patients self-diagnose serious heart condition in seconds

Founder and CEO Trudie Lobban says: ‘This device has the potential to be a breakthrough in diagnosing AF. Sadly, the first time a lot of people discover they have the condition is when they wake up paralysed in hospital having had a stroke.'

Download the latest AliveCor Clinical Research Study here

Heart Rhythm Week 2015
1-7 June

Atrial Fibrillation Association - US was proud to support World Heart Rhythm Week (WHRW). This event is the only global awareness week dedicated to raising the profile of heart rhythm disorders like AFib.

Look out for updates, photos and evaluations from the week. Thank you to everyone who supported and took part in what resulted in being our most successful HRW to date.

Visit the website for more details.


The route map for change & the European atlas on the prevention of AF-related stroke – November 2014

Last November AF-Association and Anticoagulation Europe launched a landmark report to raise awareness amongst policy makers of the growing burden posed by strokes due to atrial fibrillation.

Read more


AFib explained in exclusive video series

We have worked with our friends at AntiCoagulation Europe (ACE) and world renowned AF expert, Professor John Camm, to produce these informative videos explaining what AFib is, the risks associated with it and how stroke risk could be reduced through effective treatment.

Find out more

Half of Americans unaware of AFib

In a survey of over 1,400 Americans, one in two adults were unaware of the most common heart rhythm condition that increases stroke risk by 500%. Of those people who have Afib, less than half know about this stroke risk.

Read more


Quiz: What You Need to Know About Blood Thinners

Click here to see what you know (or may not know) about blood thiners. Courtesy of WebMD


Hands Only CPR

Two steps to staying alive with... Hands Only CPR. Most people who experience cardiac arrest at home, work or in a public location die because they don't receive immediate CPR from someone on the scene. As a bystander, don't be afraid. Your actions can only help.  Find out more.

Sign Against Stroke

Join us in an international effort to prevent serious or devastating stroke by making AFib a healthcare priority; Sign Against Stroke.

How AFib can lead to stroke

Latest from Sign Against Stroke


Forum change - HealthUnlocked replaces AF Yahoo forum

HealthUnlocked is a social network for health. By finding others with similar health backgrounds people can take on day to day health concerns together. And because our communities are set up by leading health organizations people have access to credible support.

We believe good health information is good for your health. HealthUnlocked has been built to get good support to the people who need it.

Join the AF Community

**As a non-profit organization, we greatly rely on your donations to help us continue our work of raising awareness and providing information, support and access to established, new or innovative treatments for AFib. All donations are tax deductible, and easy to secure. Thank you so much for your support. For more information, please contact, info@afa-us.org

AFA-US is affiliated to AFA International, a global charity based in the UK. Some materials on this site are shared with AFA-UK.

AFA-US is also affiliated to STARS-US, a US registered non-profit organization 501© (3) charity, committed to improving the quality of life for individuals and their families coping with Syncope conditions.





What is AF?

AFA Toolkit for Medical Professionals.