1, remember "three checks and seven pairs", three checks: preoperative, intraoperative and postoperative; Seven pairs: name, bed number, drug name, concentration, dosage, time and method. 2. Be sure to bring a notebook and a pen. It is essential to prepare more pens.

3. Pay attention to prevent heat, oil, fire and shock when inhaling oxygen.

4. When measuring blood pressure, it should be at the same level as the "heart", and the tightness of the cuff should be placed on one finger.

5. It takes 30 seconds for patients to measure their breathing, and 1 min for patients with irregular breathing.

6. Patients with short pulse should have one nurse measure their heart rate and another nurse measure their pulse 1 min as needed.

7. The speed of intravenous infusion is generally 40-60 drops per minute for adults and 20-40 drops per minute for children.

8. Precautions for intravenous infusion.