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March 15, 2011

Low-Radiation Scan Proven Effective in Ruling Out Heart Problems

Prospectively gated CT scans are as effective as standard tests when it comes to ruling out heart problems, a study published in the Annals of Internal Medicine has reported. Researchers analysed prospectively gated CT scans as well as catheter coronary angiography — the

By cms admin

Prospectively gated CT scans are as effective as standard tests when it comes to ruling out heart problems, a study published in the Annals of Internal Medicine has reported.

Researchers analysed prospectively gated CT scans as well as catheter coronary angiography — the current gold standard — in 16 earlier studies involving a total of 960 patients.

Researchers found out that prospectively gated CT scans ruled out heart problems as effectively as the gold standard test.

Although the CT scans led to 11% more false positives, researchers noted that those patients would go ahead and have a catheter-based test.

Prospectively gated CT scans cut down the radiation dose to less than 3mSv, compared to 7-9mSv from the catheter test and 12mSv from a standard CT heart scan.

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