> Meanwhile, patients need 6 weeks of physical therapy before they can get an MRI as a direct result of a lack of helium. Even diagnostic MRIs in which PT is no

> Meanwhile, patients need 6 weeks of physical therapy before they can get an MRI as a direct result of a lack of helium. Even diagnostic MRIs in which PT is not indicated. In February my daughter started experiencing knee pain. Her doctor ordered an MRI and 1 week later the MRI was performed.