Hyperviscosity syndrome

• Facts:
  Caused by an increase in serum proteins
• History / PE:
  Spontaneous bleeding
  Headache, vertigo
  Visual disturbances (retinopathy)
• Treatment:
  Plasmaphereis
• Associated With:
  1) Polycythemia vera
  2) Essential thrombocytosis
  3) Waldenstrom's macroglobulinemia