LAB TEST
Left heart catheterization
Left heart catheterization is the passage of a thin flexible tube (catheter) into the left side of the heart. It is done to diagnose or treat certain heart problems.
How the Test is Performed
You may be given a mild medicine (sedative) before the procedure starts. The medicine is to help you relax. The health care provider will place an IV into your arm to give medicines. You will lie on a padded table. Your doctor (most often a heart specialist called a cardiologist) will make a small puncture on your…
How to Prepare for the Test
In most cases, you should not eat or drink for 8 hours before the test. (your cardiologist may give you different directions.) The procedure will take place in the hospital. You may be admitted the night before the test, but it is more common to come to the hospital the morning of the procedure. In some cases, this…
How the Test will Feel
The sedative will help you relax before the procedure. However, you will be awake and able to follow instructions during the test. You will be given local numbing medicine (anesthesia) before the catheter is inserted. You will feel some pressure as the catheter is inserted. However, you should not feel any pain. You…
Why the Test is Performed
The procedure is done to look for: Cardiac valve disease Cardiac tumors Heart defects (such as ventricular septal defects ) Problems with heart function The procedure may also be done to evaluate and possibly repair certain types of heart defects, or to open a narrowed heart valve. When this procedure is done with…
Normal Results
A normal result means the heart is normal in: Size Motion Thickness Pressure The normal result also means arteries are normal.
What Abnormal Results Mean
Abnormal results may be a sign of cardiac disease or heart defects, including: Aortic insufficiency Aortic stenosis Coronary artery disease Heart enlargement Mitral regurgitation Mitral stenosis Ventricular aneurysms Atrial septal defect Ventricular septal defect Heart failure Cardiomyopathy
Risks
Complications may include: Cardiac arrhythmias Cardiac tamponade Embolism from blood clots at the tip of the catheter to the brain or other organs Heart attack Injury to the artery Infection Kidney damage from contrast (dye) Low blood pressure Reaction to the contrast material Stroke
References
Dengas GD, Mehran R. Coronary angiography and intravascular imaging. In: Libby P, Bonow RO, Mann DL, Tomaselli GF, Bhatt DL, Solomon SD, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine . 12th ed. Philadelphia, PA: Elsevier; 2022:chap 21. Kern MJ, Seto AH, Hermann J. Invasive hemodynamic diagnosis…
This is a summary. Read the full article at www.ucsfbenioffchildrens.org (reviewed 14/07/2024).
This page is general information and is not medical advice. It does not replace a registered doctor, and it is not a prescription or a recommendation to use any medicine or test. Prices are listed prices and may change. Always follow the advice of your doctor or pharmacist.