Why would I need a blood test after an MRI scan?

If you have a history of kidney disease, you may be given a blood test to determine how well your kidneys are functioning and whether it’s safe to proceed with the scan. You should let the staff know if you have a history of allergic reactions or any blood clotting problems before having the injection.

What does an MRI of your foot show?

An MRI will help with diagnosis of the plantar fascia damage as well as damage to the posterior tibial tendon, the spring ligament and the deltoid. Furthermore, one can visualize the underlying flexor tendons, which may also be involved in the foot pain due to overload and tendonitis.

What does MRI of lower extremity show?

An MRI of the Lower Extremity is useful in examining: Degenerative disorders such as arthritis. Labral or meniscus tears. Traumas involving ligaments and tendons.

Why would a doctor order a CT scan after an MRI?

MRI scans can take a significant amount of time to complete. If you have a condition or injury that prevents you from lying still for that time frame, a CT scan can produce a more accurate image in a shorter time. Those who have medical implants of any kind are ineligible for MRIs and should undergo CT scans instead.

Does MRI contrast affect blood work?

Gadolinium magnetic resonance contrast agents are known to interfere with some clinical chemistry tests, particularly colorimetric assays for serum calcium. We studied the effects of 4 agents, gadodiamide, gadoversetamide, gadopentetate dimeglumine, and gadoteridol, for interference with multiple serum assays.

Can MRI show nerve damage in foot?

An MRI may be able help identify structural lesions that may be pressing against the nerve so the problem can be corrected before permanent nerve damage occurs. Nerve damage can usually be diagnosed based on a neurological examination and can be correlated by MRI scan findings.

Can you see plantar fasciitis on an MRI?

MRI findings of plantar fasciitis include: thickening of the PF, most commonly at its calcaneal origin; intrasubstance areas of intermediate signal on T1-weighted sequences and increased signal on fluid-sensitive sequences; oedema in the adjacent soft tissue; bone marrow oedema of the calcaneal attachment of the PF …

Can MRI be done on legs?

A leg MRI (magnetic resonance imaging) scan of the leg uses strong magnets to create pictures of the leg. This may include the ankle, foot, and surrounding tissues. A leg MRI also creates pictures of the knee. MRI does not use radiation (x-rays).

Does your whole body go in for a hip MRI?

Often, an MRI will be targeted to a particular area of the body. If your hips are the area in question, a pelvic MRI will be performed. Pelvic MRIs allow a doctor to see the area between your hips, your reproductive organs, blood vessels, and hips themselves. Doctors will request hip MRIs for a variety of reasons.