my MPV, MCH and MCV are low (below the reference range). I bruise easily and my veins are more prominent and sometimes they look very dark. Been suffering headaches and dizziness too. diagnosed with costrochondritis few weeks ago (reason my doctor advised me to have a CBC exam, ECG). my heart beats faster than normal, (doctor said nervous-mode beating, eventhough im not nervous) but my ECG results are normal.