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How Long is a Knee MRI?

Published in Medical Imaging 2 mins read

A knee MRI typically lasts 30 to 60 minutes, although it may sometimes take longer.

Here’s a more detailed breakdown:


MRI Scan Duration

Aspect Time Frame Notes
Standard Scan 30 - 60 minutes Most knee MRI scans fall within this time frame.
Potential Longer Scans More than 60 minutes In some cases, the scan may take longer depending on the specific details needed by the radiologist.


During a knee MRI, you will lie still inside the MRI machine. The process can be quite noisy. Here are some things to be aware of:

  • Noise: The MRI machine makes loud noises during the scan.
  • Ear Protection: The technician can provide earplugs if needed to help with the noise.


Why Might a Scan Take Longer?

  • Specific Conditions: If there is a need to investigate a specific condition or a more in-depth analysis, the process may require longer scanning times.
  • Multiple Sequences: A variety of image sequences may be required, increasing the overall scan time.


It’s always a good idea to clarify the expected duration with your healthcare provider or the MRI technician prior to your appointment.

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