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Digital Subtraction Angiography (DSA)

  • What is Digital Subtraction Angiography (DSA)?

    Digital subtraction angiography (DSA) provides images of the lumen (inner surface) of the blood vessels including the arteries, veins and the heart chambers. These images are recorded using complex, computerised x-ray machines. A special contrast medium or ‘dye’ (a high density, clear liquid) is usually injected to make the blood supply to the legs, heart or other organs easier to see on the scan.

  • DSA is used to diagnose many blood vessel diseases, including obstructive vascular diseases that are caused by blocks or narrowing in the lumen (inside) of arteries and veins, to diagnose a brain aneurysm (especially intracranial aneurysm), bleeding vessels, arteriovenous malformations (abnormal connections between arteries and veins), and to assess the vascularity (blood vessel systems) of cancerous tumours. DSA also provides a visual guide for interventional procedures needed to unblock or re-open occluded (blocked) arteries like angioplasty, arterial stent, nephrostomy and biliary procedures.

  • Your goal of getting swift, accurate and effective treatment is our strength. Our skilled team of specialists and staff operate at Mount Elizabeth Orchard and Mount Elizabeth Novena – both award-winning hospitals with advanced technology and modern facilities. Take your first step towards better health today, and experience the high-quality, customised healthcare that has made us one of the leading medical institutions in Asia-Pacific.

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