ultrafast ct造句

• But the ultrafast CT scan showed calcium in his arteries.
• The National Cancer Institute says preliminary studies of ultrafast CT show promise in detecting small cancers.
• Berman hopes to end any debate with the most comprehensive study of the ultrafast CT to date.
• And since most insurers don't cover the ultrafast CT scan, prospective patients also have to make a bottom-line assessment.
• The company said a new scanner that uses Imatron's technology, the Ultrafast CT, can quantify the progression of coronary artery disease.
• By detecting calcium deposits, ultrafast CT scans seem to find atherosclerosis long before it has advanced enough to clog an artery.
• Winn also expects to be left with the $ 500 bill to undergo an Ultrafast CT scan that could spot plaque forming.
• The ultrafast CT scan to show incipient atherosclerosis costs about $ 400, the same as the standard, but less sensitive, exercise stress test.
• With ultrafast CT, the body from the neck to the pelvis can be scanned in less than 20 seconds _ a single breath-hold.
• Rader is already putting several of the new genetic and biochemical tests together with ultrafast CT scans to better assess his patients'risks of heart disease.
• He said the ultrafast CT can catch heart disease before the material obstructs any blood flow, giving physicians the ability to head off future problems.
• Detrano said the roughly 50 American centers that have an ultrafast CT are pushing calcium scanning to pay for the machines that can't do much else.
• They say the marketing of ultrafast CTs _ which allows patients to schedule the scan without a referral from their physician _ encourages unneccesary, expensive medical testing.
• Dr . Patrick Sheedy, a diagnostic radiologist at the Mayo Clinic in Rochester, Minn ., explained that the ultrafast CTs take pictures in a tenth of a second.
• He and some colleagues abandoned a more comprehensive study to measure the effectiveness of the ultrafast CT in stopping people from smoking because the procedure cost too much.
• Critics say the ultrafast CT essentially proves what doctors already know, that a person of a certain age with specific medical problems is at increased risk of heart disease.
• Yesterday, the company announced that research published in the American Heart Association's journal Circulation said its Ultrafast CT scanner is better than cholesterol blood tests for predicting heart attacks.
• Although ultrafast CT scanners cannot show actual plaque, they can show flecks of calcium in coronary arteries, which appear as bright white flakes on the dark gray X-ray pictures.
• Brundage has reviewed studies that used autopsies and coronary angiograms, in which dye is injected into the coronary arteries, to determine the value of ultrafast CT scans in detecting atherosclerosis.
• The same ultrafast CT ( computed tomography ) scanner at the Cooper Clinic in Dallas found a tiny lung cancer _ too small to see on a conventional chest X-ray _ in Annette Melton's right bronchus.