Choosing between an MRI and CT Scan

Contributed by: Anjali Sharma


To guide in the diagnosis of a large assortment of clinical conditions, health professionals ask for MRI or CT scans. Irrespective of obtaining different implies of generating photographs, equally varieties of scans have comparable programs. An MRI scan employs radio waves and impressive magnetic fields, whilst a CT scan works by using X-rays.

Though MRI scans give higher specific pictures, CT scans are additional commonly made use of and a lot less high-priced.

In this short article, we analyze the discrepancies amongst MRI and CT scans and their takes advantage of, strategies, and safety.

What is an MRI scan?

MRI use radio waves and magnets to analyze within physique organs.

They are often utilized to establish challenges with your:

  • Joints  
  • Brain 
  • Wrists
  • Ankles 
  • Breasts
  • Vessels in the coronary heart

Your body’s unwanted fat and water molecules reflect radio waves and a ongoing magnetic field. A receiver inside of the unit gets radio waves, which are then converted into a photograph of the system that may perhaps be utilised to identify complications.

The MRI machine is a noisy a person. Typically, earplugs or headphones will be supplied to make the sounds a lot more tolerable.

On top of that, you will be needed to stay however all through the MRI.

What is a CT scan?

A big X-ray device is made use of for a CT scan, a sort of X-raying. CAT scans are an additional title for CT scans.

Generally, a CT scan is used for:

  • Tumours 
  • Bone fractures
  • Intestinal bleeding discovered by way of cancer monitoring

You will be questioned to lie down on a table for the CT scan. After that, the desk glides by way of the CT scan whilst cross-sectional illustrations or photos of your within organs are taken.

CT scans vs. MRI

MRIs are fewer prevalent than CT scans, which are also commonly a lot less high priced.

Nonetheless, MRIs are regarded as getting a greater picture resolution than CT scans. The largest difference is that MRIs really do not use X-rays whereas CT scans do.

The pitfalls of MRI and CT scans consist of other versions:


When utilised, MRIs and CT scan both carry some threat. The potential risks count on the variety of imaging that is completed and how it is done.

CT scan hazards incorporate:

  • Injuries to unborn youngsters
  • A pretty little dose of radiation 
  • Utilization of dye may  harm

MRI hazards contain:

  • Magnetic reactions to metals are a likelihood, and the machine’s loud appears may possibly have an impact on your listening to ability tiny bit
  • Human body temperature increasing all through prolonged MRIs
  • Claustrophobia

In advance of possessing an MRI, you really should speak to your physician if you have any implants, these types of as:

  • Artificial joints, 
  • Intrauterine Equipment (IUDs)
  • Pacemakers, and 
  • Eye implants

Picking involving an MRI and CT scan

Your medical professional will likely recommend you regardless of whether you ought to receive an MRI or CT scan primarily based on your signs and symptoms.

An MRI is routinely recommended by your medical doctor if you need a much more precise picture of your organs, ligaments, or comfortable tissue.

These circumstances contain:

  • Slipped discs
  • Gentle tissue injuries 
  • Torn ligaments

A CT scan is frequently recommended if you have to have typical imaging of a area, these types of as your inside organs, or if you have suffered a fracture or head trauma.

Last thoughts 

MRI and CT scans are both of those somewhat lower-possibility procedures. The two deliver very important specifics that can help your doctor in correctly diagnosing certain illnesses.

Internal overall body constructions can be viewed with MRIs and CT scans. A CT scan, on the other hand, is faster and could provide visuals of the skeletal technique, tissues, and organs.

An MRI is extremely sharp at having images that assist professional medical industry experts in figuring out whether there are irregular tissues within the system. MRIs generate photographs with better high-quality element.

Your health care provider will almost certainly let you know which a person they suggest. To guarantee that you are satisfied with the conclusion your health practitioner endorses, be absolutely sure to ask thoughts and deal with any issues with them.

E book The MRI SCAN Right now!

Jacqueline M. Faulkner

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