What is atrial fibrillation (AF)?

Atrial fibrillation (AF or AFib) is a common type of heart rhythm disorder affecting the atria, the upper chambers of the heart. It occurs when the atria quiver instead of contracting normally. Atrial fibrillation increases a person’s risk for stroke.


Warning: Undefined array key "allow_roles_answers" in /home/swin66/public_html/wp-content/plugins/cm-faq-community-submissions-addon/cm-faq-community-submissions-addon-frontend.php on line 124

Warning: Undefined array key "allow_roles_answers" in /home/swin66/public_html/wp-content/plugins/cm-faq-community-submissions-addon/cm-faq-community-submissions-addon-frontend.php on line 124