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For some high-risk individuals, the proposed benefit of having a TBCT scan lies in the potential of early detection and treatment.
But overall, its use for early detection of heart disease is very controversial.
Although coronary CTA exams are growing in use, coronary angiograms remain the "gold standard" for detecting coronary artery stenosis, which is a significant narrowing of an artery that could require catheter-based intervention (such as stenting) or surgery (such as bypassing) to treat the narrowed area.
Another new technology, known as dual-source CT, uses two sources and two detectors at the same time.
There are several types of CT scans used in the diagnosis of heart disease, including: The calcium-score screening heart scan is a test used to detect calcium deposits found in atherosclerotic plaque in the coronary arteries.
State-of-the-art computerized tomography methods, such as this one, are the most effective way to detect early coronary calcification from atherosclerosis (hardening of the arteries), before symptoms develop.
The scan can detect aortic aneurysms and calcium deposits within plaque in the coronary arteries.
However, the presence of calcium deposits in the coronary arteries does not necessarily mean that an artery is dangerously narrowed by disease or that a severe health threat exists.