How does CT Angiography work?
The CT Angiography test is made possible through the use of special equipment and procedures, and is relatively quick, simple, and virtually painless. First, a contrasting dye is injected into the patients arm using an IV (there are various solutions). Afterwards, the patient lies inside the CT scanner while the machine photographs the patients heart (or other area of the body), and creates a detailed, three-dimensional (and 4D) image that can be reviewed by a trained physician (radiologist). Using the results of your scan, a cardiologist can determine how vulnerable your heart is to plaque build up as well as view other defects in your heart and arteries. How should I prepare for this procedure? Your cardiologist may ask you to refrain from eating or drinking a few hours before the procedure, as it can affect the contrasting dye used in the exam. Its also extremely important to notify your doctor of any allergies, especially those pertaining to contrasting substances such as the ones
