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Computed tomography, CT scans, also known as CT Scans, is a medical procedure where a computer-generated picture is created using a series of X-ray images to try and find diseases or defects in the body. CT scans are one of the most common forms of imaging used in medical diagnostics. 

 

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Meanwhile, the whole body is examined via X-rays and high-density magnifications to produce detailed cross-sections. This article will go into great depth about what a CT Scan is, its purpose, and the side effects that surround it.

 

Types of CT Scans (CAT Scan)

 

Before a CT Scan, a person is injected with an iodine-based contrast agent. There are multiple types of CT scans; however, the most common are listed below:

 

1) Computed Tomography Angiography- A procedure that takes a series of X-rays and then combines it to produce cross-sections and 3D images. The angiograph also allows CT scans to show blood vessels within the body.

 

2) Computed Axial Tomography- This procedure produces a thin image from multiple sources. A computer then reconstructs the images to create an image.

 

3) Computed Tomography- This is the most common type of CT scan. It produces cross-sections or slices of images, which form a 3D model when put together.

 

4) Computed Tomography Perfusion- This procedure allows a doctor to see how blood flows through different regions within the body.

 

5) Computed Tomography Mammography- A type of CT scan that shows the shape and structure of breasts and any abnormalities.

 

6) Computed Tomography Vertebral Imaging- This procedure is mainly used to check for bone fractures, spinal cord injuries, and osteoporosis.

 

7) Computed Tomography Angio-This procedure allows the doctor to see the blood vessels within the body.

 

8) Computed Tomography Venography- This CT scan is used to view the veins in the body, and it gives a lot of detail.

 

9) Computed Tomography Positron Emission- This procedure looks for cancer cells within a particular area of the body. It creates cross-sectional images which are made up of multiple types of sensors.

 

CT Scan (CAT Scan) Procedure Purpose

 

CT scans are conducted for various reasons, and a successful scan can find diseases and defects in the body. Some of these reasons include;

 

Assess injuries to bones, muscles, and ligaments

 

Assess the presence of tumors and any damage that they have caused within the body

 

Assess head injury associated with internal bleeding or brain injury.

 

Assess damage to the brain, spinal cord, and other sections of the body that control bodily functions

 

Assess heart injuries, vessels and organs inside the heart, blood vessels within the arteries, blood flow within the body, blood flow through the brain, and pericardial effusion- the fluid that builds up around or near a person's heart

 

CT Scan (CAT Scan) Side Effects

 

In those cases where there is a serious medical concern, a CT scan can help diagnose disease and locate dangerous areas within the body. However, several side effects come along with the procedure. Cumulative Radiation

 

This type of radiation exposure occurs over time, and it can lead to future medical complications such as cancer and other diseases.

 

Cardiac Catheterization

 

Intravenous catheters are inserted into the body, and they are used to help diagnose heart problems associated with blood flow within the vessel(s). therefore, the entire body is exposed to radiation through the insertion of these catheters. Bone Image Loss

 

X-ray exposure over specific bones can lead to loss of bone density in that area. It is not common, but it can lead to future medical complications. Hence, the requirement for CT scans is to be performed frequently.

 

Catheter-Related Infection and Blindness-

 

This can occur when the catheter is stuck in a blood vessel or other part of the body. Infection occurs when there are complications such as infection, pain, and/or skin breakdown. When excess amounts of contrast chemicals enter the eye, it can lead to retinal detachment and damage to eyesight.

 

Bone Scan Radiation

 

This type of exposure occurs when the body is positioned on a metal plate. It exposes the bones themselves to radiations within the body, leading to long-term health complications.

 

Injection of Contrast Agent

 

This sample of iodine-based material is injected into a person's body to help highlight certain areas within the body so that better images are produced. The side effects associated with this injection include headaches, nausea, and gastrointestinal discomfort, and allergic reactions.

 

CT vs. MRI: Comparison

 

The real-time or live imaging provided by MRI and CT is different in that while some structures are visible to both techniques, other structures are visible to only one of the techniques. So, an MRI scan can help show a blood vessel that can not be visible in a CT scan. However, when the CT gantry is moved with a contrast agent, the contrast agent passes through a blood vessel and produces a contrast.

 

These imaging tools are very important and rare to find. Fortunately, Amber Diagnostics Used and Refurbished Medical Equipment dealers offer a wide range of imaging equipment affordably to health practitioners operating health centers or businesses in need. The results of CT scans can be classified into any of the following four types:

 

Normal brain and lung function

 

No disease process is present when there are no structural changes in the body as a whole. In this case, an MRI scan would also remain normal.

 

Abnormal brain or lung function

 

This situation would produce an abnormal result on both techniques. In the case of an MRI scan, any tumor would cause a structural abnormality. In the case of a CT scan, structural abnormalities in the brain or lung would be apparent.

 

Abnormal findings on both CT and MRI scans

 

This situation produces abnormal results on both techniques and abnormal results on neither technique. The ability to see abnormalities in both techniques would indicate that structures in the body are being "stripped" by a disease process (e.g., trauma, tumor).

 

Differences Between CT Scans Vs. MRI Scans

 

MRI's offer many advantages over CT scans. For example, MRI's are typically more accurate and safer in their use and do not damage tissues during the procedure. Abnormalities found during an MRI scan are visible immediately, while anomalies found in a CT scan can take up to an hour.

 

By contrast, an MRI scan may provide a clearer image of the brain, but one with less detail than a CT scan. Additionally, CT scans take longer to perform and are more invasive.

 

MRI scanning requires a dedicated MRI scanner, which is different from the dedicated CT scanners used for medical imaging. An MRI scanner will have a separate table that slides out for the patient to lie on during the scan, like a hospital gurney. The patient has an IV line inserted into their arm to receive contrast material (usually iodine) during the scan. These lines are then removed after the scan has been performed.

 

MRI scanning is similar to CT scanning in that it uses a magnetic field to spin the patient at a specific speed so that the MRI scanner can collect cross-sectional images of the body. However, MRI scans use radiofrequency pulses instead of X-rays to collect images, unlike CT scans.

 

MRI scanners are typically larger than CT scanners as they must be equipped with high-powered magnets and high-power radio frequency (RF) coils.

 

Conclusion

 

CT (computed tomography) scanning has become very popular in recent years in the medical imaging field. It is primarily used to provide diagnostic information about internal organs and body structures. CT scanning is performed as a non-invasive procedure, which means that no incision needs to be made in the skin to get images of the organs or body parts inside the patient's body. Hence this imagining equipment provides many benefits to patients with minimal health risks. If you need to purchase or get directives regarding CT, MRI, or other related medical equipment, Amber Diagnostics has all you need.