Arteriovenous fistula
Arteriovenous Fistula
Arteriovenous fistula (pronounced: ar-teer-ee-o-vee-nuhs fis-tu-la) is a medical condition characterized by an abnormal connection between an artery and a vein.
Etymology
The term "Arteriovenous fistula" is derived from three words: "Arterio" from Artery, "venous" from Vein, and "fistula" from the Latin word "fistula", which means pipe or tube.
Definition
An arteriovenous fistula is an abnormal connection or passageway between an artery and a vein. It can be congenital, surgically created for hemodialysis treatments, or acquired due to pathologic process such as trauma or erosion of an arterial aneurysm into a neighboring vein.
Symptoms
Symptoms of an arteriovenous fistula can include swelling, pain, and a noticeable bulge over the site of the fistula. In severe cases, it can lead to heart failure due to the increased blood flow and volume.
Treatment
Treatment for an arteriovenous fistula depends on the cause and symptoms. It may include monitoring, medication, or surgery to close the fistula. In some cases, an arteriovenous fistula may be necessary for medical treatment, such as in hemodialysis for kidney disease.
Related Terms
External links
- Medical encyclopedia article on Arteriovenous fistula
- Wikipedia's article - Arteriovenous fistula
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