Calcific tendinitis

Cause if shoulder pain

Calcium crystals accumulate within the tendon and generally causes no problems.

In some people shedding of these crystals cause s an acute inflammatory response resulting in sudden shoulder pain

Increases over a few hours subsides over days (sometimes longer)

Examination often limited by pain

Night pain is typical

Most commonly supraspinatus tendon but can happen around tendons and ligaments in ankle knee hip and elbow

Patients usually age 25-55yrs