coronary angiography
X-ray imaging technique using contrast dye to visualize coronary arteries and detect blockages.
Full Definition
Coronary angiography is an invasive diagnostic procedure that uses iodinated contrast material and X-ray imaging to visualize the coronary arteries. This gold-standard technique allows direct assessment of coronary anatomy, identification of stenoses, and evaluation of collateral circulation. The procedure involves cardiac catheterization with selective cannulation of coronary ostia. Digital subtraction angiography provides high-resolution images essential for planning percutaneous or surgical interventions.
Usage
Usage note: Distinguish from non-invasive coronary CT angiography in clinical documentation.
In Context
- "Coronary angiography revealed a 90% stenosis in the proximal left anterior descending artery." — Cardiac catheterization report
- "The patient underwent coronary angiography following a positive stress test." — Procedural documentation