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  To make it work, you need to see a doctor\'s technique, and let it play the greatest role within the scope of its effect.

Where does the    drain tube work? We can compare the drainage tube to a canal, and the water source (pus) above it is best like a lake that is firmly wrapped around, so that the water (pus) inside does not run around. If the pus is flowing everywhere, a pipe like a canal will not have the attraction to **** all the pus that runs around here and flow out, and the effect must be compromised.

It is necessary to make pus surrounded on all sides like a lake, which means that the formation of such pus is conditional. Generally, it is in the early stage of inflammation in the human body. At this time, the inflammation is local and has limitations, because the human body knows that the human body is infected with bacteria. , it will first organize forces to surround the bacteria that have just begun to invade the human body, including mobilizing white blood cells, and if it occurs in the abdominal cavity, it will mobilize the nearby omentum, etc., forming a surrounding circle for the bacteria, preventing it from spreading, called our common encapsulated abscess . Such abscesses have a distinctive feature like a lake, with walls on all sides. Open a hole in the abscess wall and connect a drainage tube like a canal. This is a medical operation that doctors often do, called incision and drainage.

   The above description confirms that the drainage tube cannot be left indwelling at will. If you want to keep it, you need to have necessary indications, otherwise it will be useless if you leave it in place, but it will become harmful and unprofitable. After all, the drainage tube is a foreign object to the human body. Infection, bleeding from the drainage tube, or even the drainage tube breaking itself in the abdominal cavity may all be involved.

   These are basic surgical knowledge. Ordinary medical students follow the teacher\'s operation and do not think so much about the basic principles. Exercising handwork belongs to doing more practice makes perfect, just endorsement is useless.

   Rethinking the basic theoretical knowledge of medicine is to become like a clinical teacher and have to think alone when encountering incurable diseases. Now Director Zheng asked them about the meaning of medical students. If you were to deal with it yourself as a doctor, what would your way of thinking be.

   Go back to the basics, go back and flip through the textbook to think about the principles. Physicians are an age-old profession. This study is like taking an exam in a classroom in a school. You should constantly take out the knowledge you have learned in the past and review it. The basics of medicine are like the mathematical formulas of physics conclusions. Combined with the clinical practice, you will find a newer experience, and then do the clinical exam questions.

  What is the basis of medicine? The pus neutrophils mentioned earlier are physiological contents.

  You, the student, said that the drainage tube was twisted, which caused the pus to not come out. Is it because of your lack of experience in clinical treatment skills that you thought about this physiological content?

Pan Shihua thought to himself, he wasn\'t, he was looking at the CT picture of the patient when he was talking in the morning when he was talking. Later, after the classmate was hospitalized, he got the picture and checked it carefully, feeling what Xie was thinking. It should be this. It turned out that Xie\'s idea was to revisit the textbook knowledge like an old doctor.

   Seeing the doubts on Sherlock Holmes Pan\'s face, Xie Wanying could only blink. Before her rebirth, she was a laboratory doctor, and she had accumulated experience of this kind of clinical study review for a long time. This is also the reason why she can progress clinically faster than other contemporaries.

   Thank you for your support! ! ! Good night dears~