the aims of the present study were to investigate the metabolic background of these hypoxic ecg changes by means of serial myocardial biopsies in fetal lambs , relating these changes to the hypoxic depletion of glycogen , atp and creatine phosphate stores in the heart and to the altered myocardial performance as measured by heart rate , mean arterial blood pressure , combined cardiac output and max .
C0018787
heart
C0027061
myocardial