高级英语对话 第 333 课：有关血压-1

A: Have you been having any problems lately?
B: No, but the nurse at school says that I should have my blood pressure checked.
A: Do you have a history of high blood pressure?
B: No, I have never been told that I have high blood pressure.
A: High blood pressure is called the silent killer because it hardly ever has symptoms.
B: How do you check for high blood pressure?
A: We are going to use this cuff here, and it will give me a reading.
B: What do the numbers mean?
A: They tell me how much your heart is working at rest and when pumping blood.
B: Good. That will help me know how I am doing.