Steroids and the combination of steroids and growth hormone change the structure of the heart, the table suggests. But that doesn’t have any consequences for the cardiovascular health of at least the steroid users. Their diastolic blood pressure – reported to rise phenomenally in some steroid related medical horror-stories – was fine, and more interestingly, their E/A ratio improved . Cardiologists use the E/A ratio to measure the hearts efficiency. According to the table, in the steroids only group deterioration of the heart muscle didn’t occur.