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Why Is Computed Tomography Important For Diagnosing Diseases Of The Circulation?

Cardiovascular diseases have become one of the main reasons of death in the world. In several countries, according to data from the Ministry of Health, they are the first cause of death among the population. Computed tomography equipment can help doctors establish an early diagnosis to prevent circulatory system pathologies.

diagnosing-diseases

What is a CT scan?

A CT scan is a procedure that uses an x-ray source that revolves around a circular structure called Gantry. Each time a complete rotation is performed, a computer constructs a 2D image cut, repeating the process until the desired number of cuts is obtained. In each image cut, the thickness of the tissue to be checked is represented; this thickness can vary between less than 1 millimeter and 10 millimeters depending on the type of equipment used.

The images can rotate in space or see the cuts successively, generating a 3D image showing the skeleton, organs, and tissues of the patient simultaneously. Thanks to this, it will be more precise to locate the point where any anomaly is occurring.

CT scans are used to detect tumors, infections, fractures, hemorrhages, among other pathologies. Despite its versatility in clinical diagnosis, its use should be limited since exposure to X-rays is high (although it does not leave remains in the body after the end of the test). Special care must be taken with children, who are more sensitive to ionizing radiation.

Contrast for a CT

In soft tissues, the ability to retain radiation is variable and, therefore, more complicated to visualize inside. Therefore, contrast media have been developed, which makes these tissues highly visible in a CT scan.

In contrast, media the patient is injected with a substance rich in iodine that circulates to the organs, changing the way they look through the x-rays. In the case of the circulatory system, the contrast will illuminate the blood vessels in search of possible obstructions. It is essential to know contrast CT scan cost in Delhi first.

There are other types of contrasts, such as barium compounds that are used to examine the digestive system.

How can a CT diagnose circulatory diseases?

Angiography performed with computed tomography or Angiotomography (ATC) equipment analyses blood flow in different parts of the body, such as the brain, heart, abdomen, legs, and arms.

CT scan serves not only to assess the proper functioning of blood vessels but also to diagnose diseases related to circulatory problems such as:

  • Alterations in arteries or veins (aneurysms).
  • Atherosclerotic plaques in the arteries.
  • Obstructions in the blood vessels.
  • Congenital disease in the arteries.
  • Ischemic accidents or cerebral hemorrhages.
  • Arterial disease in the blood vessels of the heart.
  • Pulmonary embolism in the arteries etc.

Also, the ATC through computed tomography equipment are used by surgeons to see the result and evolution of an intervention performed or to plan a future surgery using it for example to:

  • Guide in a reconstruction of blood vessels.
  • Evaluate coronary veins after the placement of a pacemaker.
  • Review the efficacy of an angioplasty or stent placement.
  • Evaluate the need for a bypass.
  • Perform a tissue biopsy.

Angiography with computed tomography is a faster, non-invasive type of test that has fewer complications for the patient than is traditionally performed using a catheter.

Is CT Scan Imaging Same as MRI?

Both MRI and CT are two of the significant advances in current medicine since they allow the examination and detection of diseases using non-invasive methods, without the use of pesky and aggressive techniques such as lumbar punctures or arthrography for the patients.

For both reviews, the patient should lie on a stretcher and enter a relatively narrow cylindrical tunnel. The difference is that in MRI test the tube is a large electromagnetic magnet that allows you to take pictures of the inside of the body by subjecting it to a magnetic field. In a CT, the images are taken using an X-ray beam that makes a circular movement that surrounds the area to be investigated (multiple X-rays from various angles).

With the CT tests, it is possible to reconstruct in three dimensions the area explored, which is very useful when planning a surgery and is the order of the day to locate and treat tumors. Both are image tests, but they are not the same. The CT Scan cost is highly dependent on the scan center and clinic you are going for!

Magnetic resonance uses powerful magnetic fields to produce and detect changes at the molecular level of substances like the hydrogen that contains our body. These changes are very subtle and disappear when we leave the machine, but the machine can detect them and translate them into images of the interior of the body.

Both CT and resonance allow us to explore the inside of the body, but each one is more sensitive to a particular type of injury, so your doctor will indicate the one that is most appropriate as the case may be.

What is a CT Scan Test? What Does it Consist of?

The CT scan test is performed with a device called a scanner. During this test, the body is subjected to multiple rays released simultaneously from different angles, and then a computer assembles them to generate an image of the area to be studied. CT scanning is more detailed than an x-ray since only a beam of light is used on the current x-ray.

Because CT scan is a non-invasive procedure that provides detailed cross-sectional views of all tissue types, it is becoming the ideal method to diagnose many intestinal diseases such as diverticulitis and appendicitis and to visualize the liver, spleen, pancreas and the kidneys.

And Magnetic Resonance- What Does it Consist of?

On the other hand, Magnetic Resonance is a machine that allows obtaining an image of the soft tissues of a patient using the use of a magnetic field. Powerful magnets and radio waves are used to create body images. The main difference between CT and MRI test is that the second one does not use X-rays. Other differences are that the CT scan is faster to perform but has a lower resolution.

Because MRI test can give such clear images of the soft tissues around the bones, it is the most appropriate examination for spine and joint problems. It is also widely used to diagnose sports injuries, especially in the knee, shoulder, hip, elbow, and wrist. The images allow the doctor to see even tiny tears and lesions in the ligaments and muscles.

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