Does an open mri take longer than a closed mri?

Open MRIs typically take longer than closed MRIs. This is because open MRIs have a lower magnetic field strength, which requires a longer scan time to produce images of the same quality. Additionally, open MRIs often require the use of a contrast agent, which can add to the total scan time. The scan time for an open MRI can vary depending on the specific machine and protocol used, but it can take up to twice as long as a closed MRI.