Digital Subtraction Angiography (DSA)

Digital Subtraction Angiography (DSA) is an advanced imaging procedure used to visualize blood vessels in the body with high precision. It is commonly used to detect blockages, aneurysms, vascular malformations, or narrowing in arteries and veins, especially in the brain, heart, and peripheral circulation. The technique works by injecting a contrast dye into the blood vessels and using digital imaging to subtract background structures such as bones and tissues, resulting in a clear and detailed view of the vascular system. DSA plays a crucial role in diagnosing vascular diseases and planning treatments such as angioplasty, stenting, or surgical interventions. It is widely performed in modern hospitals due to its accuracy, real-time imaging capability, and ability to guide interventional procedures.