Has anyone experienced heart issues such as low ejection fraction (low stroke volume). I was recently diagnosed through a routine echocardiogram that I have a slightly enlarged Left Ventricle and an ejection fraction of 35-40 % (Normal is 50 -70%). Im wondering if polycythemia could cause this as my hemo is always at the higher end even with donation 53% most recent. Any thoughts? I hope its reversable
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