[N-clex] Polycythemia(적혈구증가증)

- hemoglobin M/F (18/17↑)

- clot↑

- skin, mucous membrane color : dark, flushed, plethoric(보라색)

- COPD환자

- itching

- HTN, thrombos

- K↑, HA, dizziness

- blurred vision

- painful swelling joint

- SOB, fever