How do I best perform an asthma treatment check?

  1. Sit upright: Sit with your back straight, feet flat on the floor, and make sure your posture is comfortable.
  2. Take a deep breath: Inhale deeply and fill your lungs completely.
  3. Use the mouthpiece: Place the mouthpiece of the spirometer in your mouth, making a tight seal with your lips. Make sure you do not cover the turbine with your hand.
  4. Exhale vigorously: Exhale sharply and as quickly as possible into the spirometer. The test measures the amount of air you can exhale in the first second.

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