What is Digital Subtraction Angiography (DSA) Test ?

Digital Subtraction Angiography (DSA) is a diagnostic imaging test used to visualize blood vessels in detail. It involves injecting a contrast dye into a specific artery or vein, typically in the groin area, and then taking a series of X-ray images. By digitally subtracting images taken before the dye injection from those taken after, DSA enhances the clarity of blood vessels while removing overlapping structures. This technique enables healthcare providers to diagnose conditions such as arterial blockages, aneurysms, and vascular malformations. DSA is commonly used in neurology, cardiology, and interventional radiology to guide treatment decisions.

[brijyadav]

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