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YouthSportsMedHub

Seeing What Happened: Understanding X-Rays, MRIs, and CT Scans

Updated: May 6, 2024


Picture of an x-ray of an ankle



Its time to learn relevent infomation on imaging tests that can be used to better assess sports injuries when necessary. Its important to understand what each tool does well and why, this way you can better advocate for what may be necessary to determine exactly what the injury involves. While imaging does come with a financial cost, it can pinpoint the injury and allow for a clearer path of treatment and potentially a faster road to recovery. Below are the 3 most commonly used in the Sports Med world.


X-Ray


An X-ray is a common imaging technique used in medicine to produce images of the inside of the body. It uses a small amount of ionizing radiation to create pictures of bones, organs, and other internal structures.

During an X-ray procedure, a patient is positioned between an X-ray machine and a detector. The X-ray machine emits a controlled beam of radiation through the body, and the detector captures the radiation that passes through the body. Dense structures such as bones absorb more radiation and appear white or light gray on the resulting image, while softer tissues allow more radiation to pass through and appear darker.

X-rays are commonly used to diagnose and monitor various medical conditions, including fractures, joint dislocations, infections, tumors, and lung conditions like pneumonia. They are quick and non-invasive, making them valuable tools for healthcare professionals in a variety of settings, including emergency rooms, clinics, and doctor's offices. However, because X-rays use ionizing radiation, which can pose risks at high doses, healthcare providers take precautions to minimize radiation exposure to patients and staff during X-ray procedures. Simply put, X-rays are great for seeing possible fractures in bones.


MRI


MRI stands for Magnetic Resonance Imaging. It's a medical imaging technique that uses a strong magnetic field, radio waves, and a computer to generate detailed images of the inside of the body. Unlike X-rays or CT scans, which use ionizing radiation, MRI uses non-ionizing radiation and is considered safer in that regard.

During an MRI scan, the patient lies inside a large, tube-like machine that contains a powerful magnet. The magnetic field aligns the hydrogen atoms in the body, and radio waves are then used to temporarily disrupt this alignment. When the radio waves are turned off, the hydrogen atoms realign with the magnetic field and emit signals that are detected by the MRI machine. These signals are used to create cross-sectional images of the body's internal structures.

MRI is particularly useful for imaging soft tissues such as muscles, tendons, ligaments, organs, and the brain. It can help diagnose a wide range of medical conditions, including neurological disorders, joint injuries, tumors, and cardiovascular diseases. MRI can provide detailed information about the structure and function of tissues, making it a valuable tool for medical diagnosis and treatment planning.

While MRI is a safe and effective imaging technique, there are some contraindications and considerations, such as the presence of certain metallic implants or devices in the body, claustrophobia, or conditions that may be exacerbated by lying still for an extended period. It's important for patients to inform their healthcare providers of any relevant medical history or concerns before undergoing an MRI scan. Simply put, MRI's are good for seeing possible injuries to musles, tendons or other soft tissues.


CT Scan


A CT scan, or Computed Tomography scan, is a medical imaging technique that uses X-rays and computer processing to create detailed cross-sectional images of the body.

During a CT scan, the patient lies on a table that moves through a doughnut-shaped machine called a CT scanner. The scanner emits a series of narrow X-ray beams that rotate around the body. Detectors in the scanner measure the amount of radiation that passes through the body from various angles. A computer then processes this information to create cross-sectional images, or slices, of the body's internal structures.

CT scans are particularly useful for visualizing bones, organs, soft tissues, and blood vessels. They can help diagnose a wide range of medical conditions, including fractures, tumors, infections, internal bleeding, and cardiovascular diseases. CT scans can provide more detailed images than conventional X-rays and are often used when more information is needed to make a diagnosis or plan treatment.

While CT scans are valuable diagnostic tools, they do involve exposure to ionizing radiation, which can pose risks, particularly with repeated scans or high doses of radiation. Healthcare providers take precautions to minimize radiation exposure to patients, such as using the lowest possible dose of radiation needed to obtain clear images and considering alternative imaging techniques when appropriate.

Overall, CT scans are widely used in medicine because they provide detailed images quickly and are capable of imaging a wide range of body structures and conditions. However, it's important for patients to discuss the risks and benefits of CT scans with their healthcare providers and to inform them of any relevant medical history or concerns before undergoing a scan. Simply put, CT Scan can see both bone and soft tissue, but different from MRI or Xray.


These types of imaging studies will all need to be ordered by a Health Care professional, so its important to understant their process as well as your insuruances, as this may dicatte what needs to be ordered first. in a perfect world every muscle pull or contusion would get an imaging study to better understand every injury, but at times that is not practical for a vareity of reasons. Trust the process, advocate for my imaging when you can, and as always stop over to our forum to find out more information or ask questions!

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