21. But administration of arsenic along with bloodletting was a standard treatment for polycythemia in the early 1950s. 22. Elevated levels of hemoglobin are associated with increased numbers or sizes of red blood cells, called polycythemia . 23. Polycythemia is common in preterm infants because of the presence of fetal red blood cells ( RBCs ).24. Primary myelofibrosis can begin with a blood picture similar to that found in polycythemia vera or chronic myelogenous leukemia. 25. In addition, these neuroendocrine tumors release erythropoietin ( EPO ) into circulating blood, and lead to polycythemia . 26. Aerts has a rare blood disease called polycythemia , which causes the body to produce excess red blood cells. 27. More hemoglobin is present in polycythemia , and so D _ { L _ { CO } } is elevated. 28. Many patients have Budd Chiari syndrome as a complication of polycythemia vera ( myeloproliferative disease of red blood cells ). 29. In 1985, Newhart was rushed to the emergency room, suffering with secondary polycythemia , after years of heavy smoking. 30. Twin anemia-polycythemia sequence ( TAPS ) may occur after laser surgery for TTTS ( post-laser form ).
