Cardiac Angiography
Another procedure used in congenital heart disease diagnosis is an angiography.
A small, flexible tube known as a catheter is inserted into a blood vessel during the procedure, typically through an artery or vein in the groin, neck, or arm. The catheter is then moved into the heart, guided by x-rays or occasionally a MRI scanner. This allows pressure measurements to be taken in various parts of the heart or lungs. Cardiac catheterization is a helpful procedure for learning more about the precise manner in which the heart pumps blood.
Another procedure known as an angiography involves injecting a colored dye that is visible on x-rays into the catheter. The dye may be observed as it travels through the heart, allowing the structure and function of each heart chamber, arteries, and lung to be evaluated.
Because it is performed while under a general anesthetic or a local anesthetic, cardiac catheterization is painless.
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