heart and blood vessel disorders
Arteriovenous Fistula
Diagnosis of Arteriovenous Fistula
Imaging tests, usually ultrasonography With a stethoscope placed over a large acquired arteriovenous fistula, doctors can hear a distinctive “to-and-fro” sound, like that of moving machinery. This sound is called a machinery murmur. Echocardiography and Other Ultrasound Procedures is used to confirm the diagnosis and to determine the extent of the problem. For fistulas between deeper blood vessels (such as the aorta and vena cava), When a fistula is serious enough to require treatment, doctors may do Angiography , in which they inject a liquid 