page_title: Cardiac imaging
section_title: Coronary catheterization
hierarchical_section_title: Cardiac imaging / Associated invasive cardiac imaging techniques / Coronary catheterization
caption_attribution_description: Español: Arteriografía Coronaria English: Coronary angiogram, showing the circulation in the left main coronary artery and its branches
context_page_description: Cardiac imaging refers to non-invasive imaging of the heart using ultrasound, magnetic resonance imaging, computed tomography, or nuclear medicine imaging with PET or SPECT. These cardiac techniques are otherwise referred to as echocardiography, Cardiac MRI, Cardiac CT, Cardiac PET and Cardiac SPECT including myocardial perfusion imaging.
context_section_description: Coronary catheterization uses pressure monitoring and blood sampling through a catheter inserted into the heart through blood vessels in the leg or wrist to determine the functioning of the heart, and, following injections of radiocontrast dye, uses X-ray fluoroscopy, typically at 30 frames per second, to visualize the position and volume of blood within the heart chambers and arteries. Coronary angiography is used to determine the patency and configuration of the coronary artery lumens.
caption: A coronary angiogram showing the left coronary circulation
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