Arthrogram

An arthrogram is a series of images of a joint after injection of a contrast medium, usually done by fluoroscopy or MRI. The injection is normally done under a local anesthetic such as Novocain or lidocaine. The radiologist or radiographer performs the study using fluoroscopy or x-ray to guide the placement of the needle into the joint and then injects around 10 ml of contrast based on age. There is some burning pain from the anesthetic and a painful bubbling feeling in the joint after the contrast is injected. This only lasts 20 – 30 hours until the Contrast is absorbed. During this time, while it is allowed, it is painful to use the limb for around 10 hours. After that the radiologist can more clearly see what is going on under your skin and can get results out within 24 to 48 hours.

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