The 64-slice cardiac computerized
tomography (CT) scanner delivers 64
ultra-sharp pictures of body organs and
tissues in less than a second. This
state-of-the-art technology, which is
now in use at leading medical centers in
Bangkok, has the potential to provide
more accurate diagnoses in less time,
and at a lower cost, than other
diagnostic tests.
Scanners have been used for many years
to generate detailed 3-dimensional
images of the body's internal organs and
tissues. Doctors use the images to help
diagnose potential problems such as
narrowing of the coronary arteries,
cancer, strokes and neurological
conditions.
At the beginning of the CT scan
procedure, an intravenous dye is
injected into the patient's arm. The
patient lies on a flat table surrounded
by a doughnut-shaped scanner. A
radiologist takes pictures by
maneuvering the scanner over different
areas of the body.
In a single rotation around the patient, the 64-slice
scanner delivers 64 views of body tissues and
organs, providing a detailed 3-D picture in a
matter of seconds. The scanner produces color
3-D images with much more anatomical detail than
earlier 16-slice scanners, and in a fraction of
the time. The entire procedure can be completed
in less than 15 minutes.
Beyond spotting heart problems, the new
technology allows doctors to more effectively
detect a range of other life threatening
illnesses at earlier stages, which can be
especially important in determining the best
course of treatment. The scanner is proving
helpful in the diagnosis of early-stage cancers
as well as detecting neurological disorders,
strokes, head injuries, herniated discs and bone
fractures. The fast turnaround can be
partlcularlv crucial in emergency cases.
In
a study published recently by the American
College of Radiology, 64-slice CT scans were
almost 100% successful in weeding out emergency
room patients who had not had heart attacks. Up
to 40% of those who arrived at the emergency
room did not have to undergo the pain, risk and
expense of traditional tests and hospital
admission. In some cases, images from the 64-slice
scan eliminate the need for invasive diagnostic
procedures such as cardiac catherization.
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