Avascular necrosis is death of bone tissue due to a lack of blood supply. This can lead to tiny breaks in the bone and the bone's eventual collapse. Long-term steroid use and excessive alcohol consumption can also lead to this progressive condition. Other tems for avascular necrosis are, aseptic necrosis and ischemic bone necrosis. Managing the condition is a lifelong process.
Left: Avascular Necrosis of the humeral head. Right: Cross section showing marrow replacement and bone necrosis of the femur
Assess for:
-Joint pain when weight bearing and when at rest
-Limited joint mobility
-Pain with walking, standing, and lifting
-Joint stiffness w/ limited ROM
-Muscle spasms
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