A CT scan is a diagnostic imaging procedure that combines X-ray and computer technology to give doctors a 360-degree view of a patient's body structures. These scans deliver more detailed images than are possible with a standard X-ray. Review some key reasons for these scans and what to expect during the process.
Computed tomography, commonly shortened to CT scan, takes X-rays of the inside of the body from multiple angles. During the scan, the patient lies on a table that slowly slides them through a donut-shaped scanner that takes X-rays from different angles around the body. These images are transmitted to a computer that creates cross-sectional images of the body. In many cases, the patient may drink a contrast dye so certain inner structures of the body show up better in the images.
Doctors order CT scans for diagnostic and treatment purposes when they need more detailed information than an X-ray can provide. CT scans have been instrumental in treating chronic pain, neurological issues, and even cancer. Here are some common examples of when a doctor might recommend this procedure.
A patient may need a CT scan to check for problems with the blood vessels. A contrast dye is typically injected intravenously to make the blood vessels and potential abnormalities more visible. This procedure can help detect anything from blockages or clots in the vessels to enlarged and abnormal blood vessels, or it can even evaluate tumors being fed by blood vessels.
Abdominal CT scans help diagnose a range of abdominal issues quickly, such as kidney stones, appendicitis, tumors, stomach ulcers, and obstruction of the large or small intestines. Symptoms such as abdominal pain, unexplained weight loss, bloating, blood in the urine, swelling, and fever could be related to various abdominal issues in organs from the intestines and kidneys to the reproductive organs. Some of these conditions can be serious and even life-threatening. Therefore, it is important to quickly identify the problem so the doctor can prescribe the right treatment.
After a traumatic accident, time is of the essence. Therefore, a CT scan is an important investigative tool for emergency room doctors. When patients have suffered internal injuries from serious accidents, healthcare providers need to know what is going on inside the body as soon as possible. Usually, a simple X-ray is not enough to identify internal injuries. In the event of an emergency, a doctor needs to check for internal bleeding and other serious injuries that are not outwardly visible or easily detectable.
These scans provide physicians with more accurate and detailed views of treatment areas to avoid disturbing areas unaffected by the disease or injury. There are several ways in which CT scans can facilitate important procedures such as surgeries, biopsies, and certain cancer treatments. For example, CT scans produce clear images of fractures in small bones that X-rays cannot typically detect. This assists surgeons in locating and repairing these areas. In addition, CT scans can assist in identifying the location and size of tumors so surgeons can perform more accurate biopsies or surgeries to remove them. During radiation therapy, CT scans help doctors avoid delivering radiation to areas of the body unaffected by the cancer.
Preparation for a CT scan depends on the part of the body being scanned. Usually, the preparation process is fairly simple. Patients may be asked to wear comfortable clothing or a hospital gown and remove any personal items that may interfere with the scan. The patient may need to avoid eating and drink only clear liquids during the hours preceding the scan.
During the test, the patient will lie on a bed-like table. If used, the contrast dye may taste metallic or make the patient feel flushed. The patient must remain still once the table moves through the scanner to avoid distorting the images. At some point, the technician may ask the patient to hold their breath for a period of 20 seconds or less. Though the actual scan only takes 10 to 15 minutes, patients should allow an hour for the appointment, as the time is needed for preparation. Moreover, Unlike an MRI, a CT scan is silent.
CT scans are valuable diagnostic and treatment tools that can even be lifesaving in some circumstances. If you are new to this procedure, understand that it is simple and that you are in good hands. Call our team today if you have any further questions about CT scans.
Request an appointment here: https://tx-urgentcare.com or call Texas Urgent Care & Imaging Center at (832) 941-1894 for an appointment in our New Caney office.
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