ron deficiency is associated with an increase in cardiac output, cardiac hypertrophy, and a reduction in cardiac norepinephrine stores of unknown etiology. This study was designed to examine each of the multiple potential factors in rat hearts as iron deficiency develops. After rats were fed iron deficient or replete diets for 3, 7, or 30 days, their hearts were removed and perfused with four successive solutions: physiological salt solution (PSS), PSS with yohimbine (6.7... |