A 27-year-old male asked:
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have jak2-negative polycythemia. any further testing that might diagnose the cause? do not smoke (quit 5 years ago) and do not live in high altitudes.

1 doctor answer
Dr. Judah Friedman
20 years experience Hematology and Oncology
Cardiac/lung?: Be sure your heart and lungs are ok, rule out sleep apnea, echocardiogram to check heart. Check a serum erythropoietin to see if this is primary or secondary.
Answered on Feb 11, 2015
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