itis cardiovascular disease

例句：

1. 1.He was diagnosed with ischemic heart disease.
   他被诊断出患有缺血性心脏病。
2. 2.The patient's condition worsened due to the lack of oxygen in the blood.
   由于血液中缺乏氧气，患者的病情恶化了。
3. 3.Cardiovascular diseases are a leading cause of death worldwide.
   心血管疾病是全球死亡的主要原因之一。