What is a wrist splint?

Dr. Darria Long Gillespie, MD
Emergency Medicine
A wrist splint is a hard structure that's used to prevent you from moving your wrist. Wrist splints are typically used if you've had a fracture to one of the bones of your wrist/hand/arm, or another injury for which you need to keep the wrist immobile. Sometimes, if you've just broken a bone, the ER will put on a splint, but not a full cast. That's because your arm could likely swell over the next couple of days, and having a cast all the way around your arm in the first 48-72 hours would make that very painful. The ER will have you follow-up with an orthopedic surgeon, who may then place a cast.

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