Hemarthrosis (Blood In Joint)

Etiology

  • Traumatic (history usually revealing)
  • Bleeding diathesis (e.g. hemophilia)
  • Use of anti-coagulants or anti-platelet agents (often coupled w/low grade trauma)

Risk Factors

  • Use of anti-coagulants
  • Any process that leads to falls (e.g. neurological disorders, substance abuse, weakness, other)
  • Underlying bleeding disorder

Symptoms

  • Acute pain and swelling of affected joint

Physical Exam Findings

  • Evidence of effusion in affected joint
  • Can be painful (in particular if trauma related), decreased range of motion

Tests