400
Risk with long bone & pelvic fractures, crush injuries. Very sudden onset of hypoxia, tachypnea and tachycardia. Life threatening.
What is a Fat Embolism.
More frequently with younger adults (<40) and men. And with multiple fractures. Fat globules are released from the marrow into the vascular compartments and may occlude vessels that supply lungs, brain, kidneys, etc. Very rapid onset of symptoms & is life threatening. Other s/s: restlessnes, irritablility, crackles, wheezes. Onset typically within 12-48hrs of injury, but may be later.