Precautions before and after examination of bone marrow puncture needle:

1. Put pressure on the puncture site and lie down and rest for 2 to 4 hours. Try not to get out of bed during the process until the medical staff confirm that there is no bleeding at the puncture site.

2. If there is continuous bleeding during the compression process of the puncture site, for example, the gauze covering the wound has bleeding, rapid heartbeat, difficulty breathing, cold limbs... etc. In the above situation, notify the medical staff immediately.

3. After 24 hours, the gauze covering the puncture site should be removed by medical staff or by yourself without changing the dressing; the sectioning site should be changed according to the wound condition. Do not do vigorous activities within 24 hours to avoid bleeding. Take a bath on the same day to avoid wetting the gauze to reduce the occurrence of infection.

4. In the following cases, inform the medical staff: (1) There is still severe pain or sudden bleeding at the puncture site more than 24 hours after the examination. (2) Redness, swelling, heat, pain or exudate at the puncture site. (3) Fever and chills.

5. One week after the examination, the doctor will inform the examination results. For non-inpatients, please register back to the outpatient clinic to confirm the examination report.

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