A traumatic arteriovenous fistula (AVF) is an abnormal connection between an artery and a vein that is caused by a traumatic injury. It can occur anywhere in the body but is most commonly found in the limbs, head, and neck. This condition can lead to serious complications, including bleeding, swelling, and reduced blood flow to the affected area. Timely diagnosis and treatment are important to prevent complications and restore normal blood flow.
Traumatic arteriovenous fistulas are typically caused by a severe injury that damages the blood vessels in the affected area. Some common causes of traumatic arteriovenous fistulas include:
The symptoms of a traumatic arteriovenous fistula may vary depending on the location and severity of the injury. Some common symptoms include:
Diagnosing a traumatic arteriovenous fistula typically involves imaging tests to visualize the abnormal connection between the artery and vein. The tests may include:
With high output heart failure
Without heart failure but with enlarged heart, wide pulse pressure, and tachycardia
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