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   "Tell me about the depth of the needle insertion." Xin Yanjun and the students whispered.

  This place is not impossible to pump, the most important thing is that the doctor must know the internal organs of the patient very well. The liver is here, but the liver is near the lungs. As long as the depth of the needle does not touch the liver, it will not cause liver bleeding. At the same time, the depth of the needle must be sufficient, otherwise the pleural effusion will not be able to be inserted into the fat layer. After all, this patient is fat, which adds too much difficulty to the doctor\'s operation.

   The nurse who was listening to the two of them was attentively at the side, but did not notice that someone was coming to the door of the ward.

   Xin Yanjun and Xie Wanying were all thinking about the patient who was going to be pumped, and it was even more impossible to pay attention to the situation around them.

  The two people who came in from the door of the ward were strutting, seeing that none of the people in the room were alert to their coming. For some unknown purpose, the two did not say aloud that they were coming.

   As Song Xuelin said before, the predecessors of the National Association are more thirsty than Beidu, and they like to be shadowless warriors who come and go without a trace.

   The two male doctors brushed past the nurse, went behind Xie Wanying and Xin Yanjun, and seemed to be in a hidden corner, silently watching how the two female doctors were going to pump water.

   "Mr. Xin, the depth should be about 7 cm." Xie Wanying told the teacher her calculation results.

   Xin Yanjun had a certain idea in her heart after hearing her words, and put a local anesthesia needle on the part designated by Xie Wanying\'s hand, namely the eleventh intercostal space.

  The two male doctors saw this, and one of them spoke next to the other\'s ear: "Doctor Li, who do you think this is instructing whom?"

The male doctor Dr. Li who heard this, the doctor\'s sign hanging on his chest had the three characters of Li Chengyuan\'s name written on it, and the pair of razor-thin Ye Mei picked it up, like picking up a Mount Everest, squinting thin. The sharpness in her eyes swirled around Xie Wanying\'s face wearing a mask.

  It is estimated that if she hadn\'t been here, there would never have been such a bizarre scene. If Li Chengyuan\'s eyes were written like this.

  After the anesthesia was administered, the patient felt no pain, and the sheets were sterilized. Xin Yanjun pierced the skin with a puncture needle, and the connected syringe was carefully withdrawn while inserting the needle. If any blood is drawn, the needle must be stopped immediately.

  The most fearful thing about inserting a needle into the intercostal space is to puncture the intercostal artery.

   Her eyes closely followed every move of the teacher\'s hand, and Xie Wanying\'s hand suddenly rested on Teacher Xin\'s arm.

   Xin Yanjun immediately understood that she was helping her fine-tune the angle, so she relaxed her tense arm muscles and let her tighten her arm to adjust.

   Needle, go in, go in again.

  The people watching around were a little sweaty.

   The skin (fat) of the patient is too thick, and the thick pile of flesh makes the thicker puncture needles appear to be submerged in the sea of ​​flesh like small ants. The most frightening thing is that in such a thick meat, the arteries and veins in it are estimated to be full of blood flow. When a small needle is inserted, it will detonate a mine if it is mistakenly inserted into a blood vessel. Think of an ant shaking an elephant.

  The puncture needle is like a small boat, carefully avoiding all dangers in the deep sea surrounded by reefs, to reach the destination.

   (end of this chapter)