Cardiac Catheterization
Catheterization is a key diagnostic tool for cardiac health. Traditionally, a line is threaded through the femoral artery in the groin and up into the heart, requiring patients to lie flat for several hours and remain immobile for some time after the procedure.
This procedure may be done to:
- Locate narrowing or blockages in blood vessels that could cause chest pain
- Measure pressure and oxygen levels in different parts of the heart
- Check the pumping function of the heart
- Take a sample of cardiac tissue
- Diagnose heart defects present from birth
- Look for problems with heart valves
Cardiac catheterization is also used to treat heart disease in some cases. These procedures include:
- Widening a narrowed artery with or without stent placement
- Closing holes in the heart and fixing other congenital defects
- Repairing or replacing heart valves
- Opening narrow heart valves
- Treating irregular heart rhythms with ablation
- Closing off part of the heart to prevent blood clots
How does it work?
During the procedure:
- The patient will receive IV medication to relax.
- A nurse will clean a site on the patient’s arm, neck, or groin to insert a line into one of his or her veins.
- A thin plastic tube called a sheath is placed into a vein or artery in the leg or arm. Then longer plastic tubes called catheters are carefully moved up into the heart using real time x-rays as a guide.
- The physician may choose to collect blood samples, take measurements of blood flow or oxygen levels, examine the arteries, or perform a biopsy.
Some patients may be injected with a dye that helps the provider to visualize the structures and vessels within the heart.
What can I expect after treatment?
For patients having a diagnostic cardiac catheterization, a Deborah Heart and Lung Center physician will discuss the results of the test after the procedure is complete.
Cardiac catheterizations are the most widely — performed procedure at Deborah Heart and Lung Center, used both as a diagnostic and interventional tool. A state-of-the-art cath lab at the Center is the first in Southern New Jersey to install the Siemens Artis Zee — a system that allows physicians to visualize vessels and diseases from all sides with unprecedented flexibility and precision. This advanced technology permits rotation of a large C-arm to various positions around a patient’s body and, with high velocity, create a CT or 3D reconstructed image showing blood flow into the heart, brain, arms, abdomen, kidneys, and legs to the toes. The created images are consolidated in real time on one large monitor that combines the patient’s vitals as well as allowing for simultaneous comparison with any previous scans. This technology in the cath lab’s arsenal of diagnostic and treatment options also offers additional patient comfort and peace of mind, being quieter and using less radiation.
Elective and emergent cardiac catheterizations are performed at Deborah Heart and Lung Center. The majority of elective diagnostic catheterizations are outpatient procedures in which the patient arrives early in the morning, has the procedure, and is monitored until discharge (usually 4 to 5 hours).