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Your doctor has recommended you for coronary computed tomography angiography (CTA). A CT scanner uses a combination of a high-tech X-ray scanner and sophisticated computer analysis to provide detailed, 3D images of your moving heart and major blood vessels. CTA is used to examine the health of blood vessels in your body. It can be used to identify weakened sections of arteries or veins and to visualize blood flow, as well as to detect fatty or calcium deposits (plaques) in the coronary arteries. CT angiography provides your physicians with more-precise images of your blood vessels than either MRI or ultrasound technology. Our team of subspecialty imaging physicians is led by Daniel S. Berman, MD, chief of Cardiac Imaging and Nuclear Cardiology.
Coronary CT angiography showing plaque as white in the center of the image of the heart.
Before Arriving for Your Exam
You can print and fill out the Cardiac Imaging Questionnaire on our Pre-Registration Questionnaire page before arriving to speed up the registration process.
No solid food for three hours before exam. You can drink clear liquids, unless you are on restricted fluids.
Continue taking all of your current medications. Do not take Viagra®, Cialis® or Levitra® for 48 hours before exam.
Because you will need to wear a hospital gown for your exam, wear clothing that can be changed easily.
Leave all jewelry and valuables at home.
Though we do not anticipate any delays in your exam, please consider bringing a book, magazine, or music player to help you pass the time while you are waiting.
A radiology nurse or technologist will ask you a few questions regarding your medical history.
Please tell the technologist, radiology nurse and/or physician of any allergies you may have before your exam, or if you are or might be pregnant.
You will be asked to change into a hospital gown and a nurse or technologist will insert a small IV in your arm.
During Your Exam
While positioning you on an exam table, the technologist will explain your procedure and answer any questions you may have.
A contrast agent (dye) will be injected through your IV During the injection you may experience a warm sensation all over your body and a metal taste in your mouth. This is normal.
You will be asked to lie flat on your back. In some cases, pillows or straps may be used to keep the area being examined from moving during the scan.
The exam table will slide into the scanner, only covering the part of your body which is being studied. The scanner is open at the back and the front, allowing you to see out.
The technologist will always be able to see and hear you during your exam.
You may be asked to hold your breath for a short time while the scanner takes a series of pictures. The time it takes to actually acquire images is very brief.
The images will be reviewed, and if necessary, some may be repeated.
This procedure usually takes approximately 15-30 minutes. Your total time commitment will be between two and three hours.
After Your Exam
You may resume your normal diet.
You should drink plenty of fluids to help flush the contrast dye out of your system.
An imaging physician will examine your images and write a report of their findings. This report will be sent to your physician, usually within 24 hours. Some scans require more computer processing, and these may take longer to analyze.
Your physician will contact you with the results of your exam.
To request a copy of your images on a CD or film, or to request a copy of your report, call 310-423-8000 and follow the prompts.
For more information or to schedule an appointment, please call 310-423-8000.
The S. Mark Taper Foundation Imaging Center provides a full range of advanced imaging, both radiology and cardiology, as well as interventional radiology and interventional tumor (oncology) treatments to the greater Los Angeles area, including Beverly Hills, Encino, Mid-Cities, Sherman Oaks, Silver Lake, Studio City, Toluca Lake and West Hollywood.