Arteriovenous fistula of pulmonary vessels
What is it?
Arteriovenous (AV) fistula of pulmonary vessels is an abnormal connection between an artery and a vein. As a result, blood passes through the lungs without receiving enough oxygen. It usually happens due to abnormal development of blood vessels in the lungs, usually in people who suffer from hereditary hemorrhagic telangiectasia (HHT).
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Arteriovenous fistula of pulmonary vessels.
Signs & symptoms
Symptoms of AV fistula of the pulmonary vessels may include bloody sputum, difficulty breathing and expersing, nosebleeds, chest pain, cyanosis and finger clubbing.
Diagnosis
Diagnosis of Arteriovenous (AV) fistula of pulmonary vessels is performed based on findings from medical history and physical examination (telangiectasis, murmurs, low oxygen on pulse oximeter). Other tests may include arterial blood gas, complete blood count, chest X-ray, echocardiogram, lung function tests, perfusion radionuclide lung scan and pulmonary arteriogram to view lung arteries.
Treatment
Treatment is usually given for those who develop symptoms. Treatment of choice is usually embolization of the fistula during an arteriogram, Some may need to go through surgery.
☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.
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