Anticoagulation Forum: The AC Forum is a network of health care professionals committed to the therapy of thromboembolic disorders predominantly through the venue of anticoagulation management service.

Atrial Fibrillation Foundation: Atrial Fibrillation Foundation (AFF) is dedicated to further patient education in atrial fibrillation.

ClotCare.com: ClotCare exists to help patients improve their quality of life and extend their life expectancy through optimal use of anticoagulation (therapies designed to prevent dangerous blood clots).

Coalition to Prevent Deep-Vein Thrombosis: The Coalition's mission is to reduce the immediate and long-term dangers of deep-vein thrombosis (DVT), and pulmonary embolism (PE), which together comprise one of the nation's leading causes of death.

Coumadin.com: This website is an in-depth site on the drug Coumadin from the manufacturer, Bristol-Myers Squibb Company.

Heart Health Online: A site provided by the U.S. Food and Drug Administration about living with cardiovasular disease, including information on prosthetic heart valves.

National Stroke Association: National Stroke Association (NSA) is a leading source for stroke information. NSA provides education, services, and community-based activities in prevention, treatment, rehabilitation and recovery for stroke patients.

theheart.org: This website provides information on caring for people with disorders of the heart and circulation, and on preventing such disorders.