低血盐

例句：

1. 1. He was admitted to the hospital with low blood pressure.
   他因低血压被送进了医院。
2. 2. The patient's condition worsened due to low blood volume.
   由于低血容量，患者的病情恶化了。
3. 3. During surgery, he experienced a drop in blood pressure and needed immediate attention.
   在手术过程中，他的血压下降，需要立即处理。