Fact Sheets

Varicose Veins
The term “varicose veins“ refers to twisted, enlarged veins that are most common in the hands and feet. Learn about symptoms and treatment.
Deep Vein Thrombosis
Deep vein thrombosis (DVT) is a blood clot that develops in a deep vein that can block circulation. Learn about symptoms and treatment.
Vascular Malformations
Vascular malformations are irregularities in arteries, veins, or lymph vessels throughout the body. Learn about symptoms and treatment.
Inferior Vena Cava (IVC) Filter Placement and Removal
An IVC is a special basket-like filter to trap blood clots. It can be inserted into the inferior vena cava to prevent pulmonary embolism, but it is important to remove IVC filters as soon as they’re no longer needed to reduce long-term complications.
Vascular Abnormalities
Vascular abnormalities, such as aneurysms, arteriovenous malformations and cavernous malformation, occur when a blood vessel in the brain ruptures.
Preparing for Dialysis (AV Fistula)
An AV fistula is a procedure that connects an artery to a vein in preparation for dialysis. Learn about this procedure.
Blood Clots in Veins, Heart and Lungs
When blood clots form within blood vessels they can obstruct blood flow, which can cause blockages affecting the heart, lungs and other organs.
Vascular Malformation Imaging
Imaging procedures, including MRI and CT, can identify dangerous irregularities called vascular malformations in arteries, veins or lymph vessels.
Pheochromocytoma
A rare tumor that starts in the adrenal glands, leading to excessive levels of adrenaline and other hormones.
Aldosteronoma (Aldosterone-producing Adenoma)
A noncancerous tumor in the adrenal gland that secretes too much of the hormone aldosterone.