Vascular studies are noninvasive (the skin is not pierced) procedures used to assess the blood flow in arteries and veins. A transducer (like a microphone) sends out ultrasonic sound waves at a frequency too high to be heard.
Vascular studies are noninvasive (the skin is not pierced) procedures used to assess the blood flow in arteries and veins. A transducer (like a microphone) sends out ultrasonic sound waves at a frequency too high to be heard.