It is not always possible to recognize clinically an open joint injury
, Often there are no typical clinical signs until the joint contaminat
ion yields an infection, However, a reliable and prompt diagnose of a
septic joint is of essential meaning for the progress and the prognosi
s of the affection. The article shows diagnostic possibilities on the
spot as well as first aid if infection is suspected, Further steps for
a reliable diagnosis are pointed out. Therapy possibilities and accom
panying therapy as well as subsequent treatment are described.