Color Doppler ultrasonography has become a vital tool in modern medicine for assessing blood flow in veins and arteries. This imaging technique helps doctors detect blockages, clots, and other vascular issues without invasive procedures. If you or a loved one faces symptoms like swelling, pain, or unexplained circulation problems, understanding how this test works can provide clarity and peace of mind. Color Doppler ultrasound image displaying blood flow in leg artery What Is