Definition: Arteriography refers to the medical examination or visualization of blood vessels, typically done during an ultrasound scan. It involves imaging a patient's abdomen using a tool called an ultrasound machine, which produces images that show internal blood flow patterns in the organs surrounding the heart and lungs. The process is essential for diagnosing a variety of diseases related to blood circulation, including stroke, heart disease, lung disorders, and gastrointestinal issues like ulcers or tumors.