oxygen consumption of myocardium

例句：

1. 1. The study found that the oxygen consumption of myocardium was significantly reduced with the use of a new drug.
   研究发现，使用新药后心肌氧耗量显著降低。
2. 2. The doctor explained that the oxygen consumption of myocardium is closely related to the heart's function.
   医生解释说，心肌氧耗量与心脏功能密切相关。
3. 3. The patient's condition improved after undergoing surgery, and his oxygen consumption of myocardium returnedto normal levels.
   患者手术后病情好转，心肌氧耗量恢复正常水平。