Cardiac hypertrophy in polycythemia vera: A case report and review of literature

Table 1 Blood test results of the patient at successive hospitalizations

Parameters	March 2021	January 2022	August 2022	October 2023	December 2023	Reference range
Hemoglobin	200 g/L	200 g/L	178 g/L	181 g/L	155 g/L	120-160 g/L
Hematocrit	0.595 L/L	0.569 L/L	0.516 L/L	0.524 L/L	0.449 L/L	0.4-0.5 L/L
Erythrocyte count	6.79 × 1012/L	6.63 × 1012/L	6.01 × 1012/L	5.99 × 1012/L	4.63 × 1012/L	4 × 1012-5.5 × 1012/L
White blood cells	9.22 × 109/L	7.49 × 109/L	8.14 × 109/L	9.16 × 109/L	8.7 × 109/L	4 × 109-10 × 109/L
Platelet count	197 × 109/L	227 × 109/L	209 × 109/L	223 × 109/L	257 × 109/L	100 × 109-300 × 109/L