What Is a CT Scanner?
Computed tomography, or CT as it’s widely
known as, is commonly used to quickly and accurately detect internal injuries.
While a CT scanner functions differently than an X-Ray machine, it still uses
X-Rays as a means of taking images of different parts of the body. Much larger
than a traditional X-Ray machine, CT scanners use a gantry, which is a large
metal circle that stands vertically. When receiving a CT scan, the patient lays
flat on a bed that moved through the center of the gantry. While the bed moves
horizontally through the gantry, moving X-Ray tubes within the gantry rotate
around the patient, capturing images from all angles instead of just one like
with a standard X-Ray.
A CT scanner’s X-Rays make full rotations
around a patient in order to capture “slices” of the patient. Instead of
receiving a flat image, physicians are able to obtain images of internal
cross-sections that they can assemble, take apart turn and examine from different
angles. The resulting 3D images enable physicians to be able to examine the
skeleton, organs and tissues of a patient while trying to pinpoint
abnormalities such as bleeding, fluid or tumors.
When Do You Need a CT Scan?
When your medical urgency calls for more
information than a standard static X-Ray can provide, a CT scan may be in
order. CT scans are quick and painless, and they provide a vast amount of
crucial information in regard to internal injuries specifically as they can
detect blood vessels and soft tissues along with bones. For example, if you are
feeling severe internal discomfort when you come into your nearest Urgency
Room, a CT scan could see if you’re suffering from excess fluid or internal
bleeding—things a standard X-Ray may not detect as well.
CT scanners are excellent tools to
detect:
- Broken bones
- Tumors
- Infections
- Blood clots
- Excess fluids
- Cystic fibrosis
- Injuries from trauma
Along with being able to detect and
locate those internal abnormalities, a CT scanner can also help physicians
identify issues such as heart disease or cancer. As with a standard X-Ray, you
must be free of metal jewelry or accessories before getting a CT scan. In some
instances, you may be asked to take or be injected with a substance called a
contrast medium. When taken by mouth or injected through a vein, a contrast
medium will help highlight specific areas to be examined during a CT scan. It
could help identify a clot or internal bleeding among other medical problems.
Having a CT scan taken of your body can
take just minutes with our advanced equipment. Once completed, our physicians
will be able to examine the results on digital images of your internal injuries
or ailments. The CT scan is a very safe and reliable procedure that helps physicians
at your nearest Urgency Room identify, assess and treat what could be causing
you pain and discomfort.
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