Cardiac Catheterization

Published on 21/03/2015 by admin

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Last modified 21/03/2015

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Chapter 85 Cardiac Catheterization

Cardiac catheterization is an invasive procedure used to measure the intracardiac pressure of the heart chambers and the great vessels, as well as oxygen saturation. In addition, angiography is performed when contrast or dye is injected to outline the anatomic details of any cardiac malformation. A radiopaque catheter is inserted percutaneously through a large-bore needle into a large artery, such as the femoral artery. Measurements of chamber pressures, oxygen saturation, cardiac output, and shunt flow, as well as pulmonary vascular resistance, are obtained and recorded (Box 85-1). In children, cardiac catheterization is used primarily to accurately diagnose complex cardiac defects.