• Cardiopulmonary Exercise Testing Provides a non-invasive, objective, accurate and quantified assessment of possible cardiac failure.

• Cordis.com Management of cardiovascular disease, treatment of peripheral vascular and obstructive diseases, and neurovascular management of stroke.

• Dr Caine and Partners Well written explanations of most vascular surgery procedures and postoperative follow up protocols.

• Klippel-Trenaunay Syndrome Support Group Offers a mission, activities, and an e-mail list.

• MedCath, Inc. Provides cardiovascular services through the development, operation and management of heart hospitals and other specialized care facilities, including mobile cardiac catheterization and angiography labs.

• National Stroke Association Hoping to reduce the incidence and impact of stroke by changing the way stroke is viewed and treated, efforts are dedicated toward stroke through prevention, treatment, rehabilitation, research and support for stroke survivors and their families.

• Peripheral Angioplasty Technique of endovascular intervention for vascular disorders using stents, grafts, and atherectomy.

• The Raynaud's Association US-based support group for sufferers of this condition.

• Thread Vein Treatment by Micro-Sclerotherapy Private therapist specializing in the treatment of a condition in women known as thread veins or spider veins on the legs. A discussion on the practice situated in Leeds, UK.

• Vascular Disease Foundation Patient education regarding peripheral artery disease, including atherosclerosis or hardening of the arteries, abdominal aortic aneurysms, Buerger's Disease, and deep vein thrombosis.

• Vascular Solutions Vascular Solutions is engaged in the development of the Duett(TM) vascular sealing device to address the clinical need for a safe and effective method to rapidly seal the arterial access site following catheterization procedures such as angiography, angioplasty and stenting.

• Vein.co.uk A UK expert on veins and venous conditions explains treatments and therapies for disorders.

• Vulvar Varicose Veins and Genital Prolapse The V-brace by Fembrace Inc. is a new support garment to alleviate the painful symptoms of women suffering from vulva varicose veins,genital and uterine prolapse.