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  In medicine, there is definitely no such good thing as one plus one equals two. On the contrary, one plus one may have countless variables and even become zero or negative.

   To make a simple analogy, clinical combination of drugs, whether the effect of different types of drugs combined is not certain. Doctors can use combinations for patients based on routine and clinical experience, but occasionally a patient with a different constitution will end in tragedy as usual.

  Excluding extreme cases, what doctors need to do is to know in advance, know which combinations of drugs will have defects and take preventive measures.

  The two machines are used together for the same reason.

  Director Wang followed Dr. Liu and strongly stated: "Yes, yes, I want to know too."

  Many people listened with pricked ears, obviously this is an important technical point.

  Shua, you are right to take notes.

   "Ecmo uses anticoagulation, and crrt basically does not need anticoagulation, unless in very special circumstances low-intensity anticoagulation is used. The specific situation depends on the patient\'s various indicators." Xie Wanying said.

  Same as ecmo, anticoagulants need to be used during crrt treatment, and they are also afraid of various bleeding or thrombus. Therefore, it is urgent to pay attention to the combination of the two machines. At present, classmate Xie has provided the basic idea, and there is no need to double the anticoagulation for now.

  Dr. Liu let out a sigh of relief. She could tell that this teacher Xie had real talent and practical work, and what he said were all the main points of his work. Having such a person can undoubtedly give her some technical confidence.

   Director Wang was also relieved. He was thinking about how to discuss this with Dr. Liu next, but he had no idea about the problem because he hadn\'t tried it himself, and he didn\'t know where to start, so he was worrying. Now someone can help him think ahead and solve a big problem between him and Dr. Liu.

   "Another focus of Mr. Liu should be to know how to connect the two machines without problems." Xie Wanying said.

   "Yes. Director Zhang said on the phone that there is a solution." Dr. Liu said.

   "It\'s her who has a way, not me." Brother Zhang immediately clarified to the world, please ask Mr. Xie again if you have anything to do.

   She gave a brief introduction to Mr. Zhang before, and she only needs to explain it to the nephrology teacher and give a simulation demonstration.

  After solving the two most anxious problems of Dr. Liu, Xie Wanying put on the surgical gown and stood on the other side of the hospital bed as an assistant for Senior Brother Shen.

   There is a large box that comes with the machine. After opening, you can see a series of medical tools that match the machine, such as puncture needles, puncture sleeves, etc.

  Most of the on-site medical staff had never seen or used these things, including Shen Youhuan, who couldn\'t help but turn around with their heads covered, so they had to ask the younger sister to help them.

   The technique for puncturing the femoral vein and artery is essentially the same.

  Xie Wanying gave Brother Shen confidence and said: "I will do the preparation work and help the brother to make the connection. Puncture is similar to catheterization and interventional surgery."

   As she spoke, she introduced the process of using the tool to the chief surgeon and other doctors on the spot. It is not difficult to distinguish which is the femoral vein tube and which is the femoral artery tube. The longer catheter is for the femoral vein. The femoral artery only needs to be inserted about fifteen centimeters.

  The same puncture tool should be similar in shape and method of use.

  The operation steps are roughly as follows: After the puncture needle enters the accurate position in the blood vessel, insert the guide wire, withdraw the puncture needle, puncture the subclavian vein, and use a scalpel to expand the skin.

  (end of this chapter)