Diagnostic tests are crucial to detect illnesses and do proper treatment. MRI scan is one such test used for creating detailed images of organs and structures inside the body. Images generated by an MRI scan show bones, organs, blood vessels, and muscles. Although MRI is groundbreaking discovery in the field of medical science, most people don’t know much about it. So, ‘how long should MRI usually take?’ is a recurring question on the internet. Hence, in this article, MRI scan time duration will be discussed in detail.
What Is Magnetic Resonance Imaging?
MRI or magnetic resonance imaging is a kind of scan that can generate 3-dimensional images of internal parts of the human body. As opposed to other imaging techniques like X-rays and CT scans, MRI can produce clearer photos with the help of a magnetic field. So, with the help of an MRI scanner and the patient’s medical history, healthcare professionals can diagnose various conditions involving:
- organs
- nerves and the brain
- blood vessels
- tendons
- muscles
- ligaments
When you are inside the scanner, you will have to wear a hospital gown. It is advisable that you remain still as you will be exposed to a strong magnetic field.
MRI Scan Length for Diverse Body Parts
MRI’s duration varies based on the organ or internal structure getting scanned. So, we have explained the MRI time requirement in detail.
Knee MRI Scan Length
An MRI of a person’s knee is done to identify issues with the knee joint such as:
- weakness
- bleeding
- swelling
The MRI should not take more than 30-60 minutes. The healthcare professional taking the images might put small devices around the knee to get clearer images.
MRI Imaging Time for Shoulder
An MRI of the shoulder ideally takes nearly 15-45 minutes. For most people, the MRI examination time does not exceed 15 minutes as taking photos of the shoulder is easy. Radiographers say that during other MRIs that need sedation, the duration is longer.
Head or Brain MRI duration
An MRI of an individual’s brain can detect conditions impacting the brain adversely. This type of scan typically requires about 30 minutes to 1 hour. According to a survey conducted by the Cincinnati Children’s Hospital and Medical Center, a limited brain MRI takes just 5 minutes.
Cervical Spine MRI duration
As per a 2019 study, an MRI of the cervical spine may be as fast as 20 minutes. Usually, they take 35-45 minutes. For producing clearer images, a plastic coil can be kept at the top of the neck.
Abdominal MRI length
Abdominal MRIs are done for examining:
- abdominal swelling
- blood flow
- fetal development
An MRI of the abdomen basically takes 20 to 90 minutes. However, it can take up to 2 hours.
Factors That Affect MRI Test Duration
Here are the factors that can determine how long an MRI takes:
- The number of pictures: When many images are required for a detailed analysis, the MRI is bound to take longer. But when only one or two images are needed, it will be done in no time.
- The organ getting scanned. Typically, the larger the part of the body getting scanned, the longer the scanning takes place.
- Sedation. Magnetic resonance imaging is sensitive to people’s movement. Hence, someone who cannot stay still (such as persons with claustrophobia and young children) may need sedation prior to the process. Sedatives can be administered via an IV or given orally.
The Takeaway
So, we may conclude by saying that an MRI scan time duration depends on the total number of images and the body part that needs to be scanned.
Remember that it is an outpatient and painless procedure. Hence, there is no need to panic. Listening to music can help you relax. If you want to know what you can eat or drink before an MRI, talk to your doctor as they know what’s best for you.
Frequently Asked Questions
Q. How long does a typical MRI scan take?
A: Depending on the area that needs to be scanned as well as the number of pictures that’ll be taken, the MRI procedure can take between 15 and 20 minutes.
Q. What factors can affect the duration of an MRI scan?
A: The factors affecting the MRI procedure length are the body part getting scanned, the number of scanned images, and the usage of contrast dyes.
