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Preparation
A diagnostic cardiac catheterization is performed to:
- Evaluate the condition of your heart
- Evaluate the coronary arteries that supply blood to your heart muscle
- Evaluate the pressures in your heart's chambers
- Observe your heart in real time with fluoroscopy (Fluoroscopy is a special x-ray technique that captures and stores real-time images.)
Dr. Moore performs diagnostic cardiac catheterizations at Indian River Memorial Hospital. To prepare for this test, you must:
- Inform Dr. Moore if you're allergic to seafood or have previously had an abnormal reaction to iodinated contrast dye
- Inform Dr. Moore if you may be pregnant
- Abstain from eating or drinking at least six to eight hours prior to the test
You may have to stop taking certain medications, such as aspirin, Plavix or warfarin therapy, prior to
this test and obtain pre-procedure blood work. You also may have to pre-register for this outpatient
procedure. Dr. Moore and his staff will provide you with specific instructions.
Note: Because you'll receive a mild sedative during this test, you'll be unable to drive afterwards.
You must bring someone with you to drive you home and keep an eye on you.
Procedure
Once you have registered, changed into a hospital gown, and been situated in a bed, you'll receive an
intravenous (IV) line that will be used to administer a mild sedative that will help you relax during
the procedure. The sedative is generally given about 30 minutes prior to the test. You'll still be
awake and somewhat responsive during the test, but many patients find they don't remember much
afterwards. Electrodes will be attached to your chest to monitor your heart, and a cuff will be placed
on your arm to monitor your blood pressure.
Once the sedative has taken effect, a long thin tube called a catheter will be inserted into a blood
vessel in your groin or arm. A local numbing anesthetic is applied to the insertion site so you won't
feel a great deal of discomfort. Using the fluoroscopy machine, the cardiologist will guide the
catheter to your heart. Once the catheter has reached your heart, the cardiologist will inject a
contrast material and the team will take pictures of your beating heart. Once the test is completed,
the catheter will be removed and pressure applied to the insertion site of the catheter. The entire
procedure generally takes about one hour but can vary depending upon your situation.
Post-procedure
Following the procedure, you will be moved to a recovery area and pressure will be applied to the
insertion site to stop the bleed. If your groin is used, you may be asked to lie flat on your back for
a few hours to prevent bleeding. Some patients find the reclined position is uncomfortable for their
backs. If you experience back pain, tell the nurse and/or your physician. Dr. Moore will discuss the
results with you and your family. If required, a follow-up appointment will be scheduled. Resume your
normal medication schedule as instructed by Dr. Moore.
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