Etymed
polycythemia
Definition
A condition characterized by an excessive production of red blood cells in the bone marrow, leading to an increased concentration of red blood cells in the blood
Clinical context
A 65-year-old male presents to the emergency department with headache, dizziness, and visual disturbances. On examination, his blood pressure is elevated at 180/100 mmHg and he has a ruddy complexion with engorged neck veins. Laboratory studies reveal a hematocrit of 65% and elevated red blood cell count. His physician suspects polycythemia vera based on these findings.
Mnemonic
POLY - Plenty of RBCs, Thick Blood, Red Skin, Blood Clots, and Tumors