How painful is a bone marrow extraction? Is there a problem with the second shot?

Bone marrow examination is a routine examination item of the hematology specialist. The patient has no pain and will not cause any damage. The venous blood is drawn and a thick needle is used to pierce it, which is very painful. Only three or four drops of bone marrow fluid are drawn, which is much less than the amount of blood drawn.

Bone marrow extraction is performed under local anesthesia and the patient is fully awake. This is an essential test for diagnosing blood diseases. Let me tell you a common sense. The maximum amount of bone marrow extracted for a bone marrow puncture examination is no more than 0.5 ml. If you suck too much, all the blood extracted is of no use at all. In professional terms, the bone marrow is diluted. The reason for anesthesia is because the diameter of the bone marrow puncture needle is more than two millimeters, and it will be very painful to directly penetrate the patient.

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