Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Heart Catheterization - Cardiac Catheterization
Preparation & Expectations
What is involved in preparation for the test?
Special preparation is needed before the test. A brief physical exam is done to evaluate pulses in your groin and legs. If you have a weak pulse in your groin, your doctor may use a different artery to insert the catheter. Your doctor will also review your medical and surgical history. He or she may ask questions such as the following.
Before the test, your blood is checked for kidney function and for signs of a bleeding tendency. A woman of childbearing age will be screened for pregnancy. This is usually done with a urine or blood pregnancy test. Radiation from the test could harm an unborn child.
You cannot eat or drink anything for six to eight hours before the test. Dentures, eyeglasses, and jewelry, such as necklace or earrings, should be removed before the exam.
The risks, benefits, and complications of the test are usually explained to you on the day of the procedure. Some possible complications you may have from the test are as follows:
If procedures are done during the exam, such as angioplasty, additional risks are involved. These will be discussed before the test by your doctor.
This test may be done on an outpatient basis. This means that you can go home after the test. However, sometimes you might have to stay in the hospital for a day or more after the test. Often, this test is used for people in the hospital who have serious or life-threatening heart conditions.