Etymed
erythrocytosis
Definition
An abnormal condition characterized by an excessive number of red blood cells
Clinical context
A 65-year-old smoker presents to the clinic with complaints of headaches, dizziness, and visual disturbances. Physical examination reveals conjunctival congestion and a ruddy complexion. Laboratory studies show elevated hemoglobin and hematocrit levels with normal oxygen saturation. The patient's red blood cell count is significantly elevated. Which of the following conditions is most likely responsible for these findings?
Mnemonic
ERYTHRO - excessive red cells in the blood, like a 'r' in 'red' - think of 'redundant red cells'