血圧

1. Origins, structure, and basic meaning

• Structure: 血圧(けつあつ) is blood pressure, the pressure blood exerts on vessel walls.
• Basic usage: It appears when measuring blood pressure or describing changes in its value.

2. Common pitfalls and similar expressions

• Pressure and pulse
  • 血圧 names pressure, while 脈拍 names the pulse. They identify different things being measured.
• Words for a change in value
  • 血圧が上がる and 血圧が下がる describe the blood-pressure value rising or falling.