Effect of Alterations of Coronary Blood Flow the Oxygen Consumption of the Working Heart

Abstract
The effects of varying coronary blood flow on the MVOO2 of a heart permitted to perform external work at a constant level were determined in 10 experiments. No consistent changes of MVOO2 occurred with alterations of coronary blood flow. These results were in contrast with those previously obtained when coronary blood flow was altered in a heart which performed no external work.