Gaisbock's syndrome refers to:
Spurious erythrocytosis
Spurious thrombocytosis
Reactive thrombocytosis
Reactive erythrocytosis
Relative Erythrocytosis Hemoconcentration secondary to dehydration, diuretics, ethanol abuse, androgens or tobacco abuse It is Known as stress or spurious erythrocytosis or Gaisbock's syndrome Please NOTE: Not all patients with polycythemia rubra vera exhibit JAK2 mutation. Ref: Harrison, E-18,P-900