Pan Shihua's heart was beating a little. He was not a top student, and he knew that there was a gap in his ability, but this did not stop him from trying hard to catch up. He nodded to the leader with a serious face and said, "The position of the drainage tube is not too shallow, it may be too deep, and it is not ruled out that it is twisted inside, like a blockage."
Director Zheng listened to his answer and at the same time tried to recall who he was: he had some impression of this classmate's face, but could not remember his name.
"Director, he is a student who has just come to our department for internship. His name is Pan Shihua and he is a classmate of Xie Wanying." Seeing the leader's gaze over, Doctor Jiang reported.
Xie has many classmates, and it is impossible to remember all of them. It is good for a leader like Director Zheng to remember one or two faces among all the medical students in the hospital every year.
Pan Shihua is now calm about the fact that the teacher did not recognize him. He feels that he has unconsciously been infected with Xie's bad habits: he doesn't care whether others know him or not, he just wants to save people.
This is what is commonly known as a stubborn problem.
It is not easy to get such a disease. He didn't have the confidence before, but now he has a little bit of it.
Knowing who he was, Director Zheng continued to ask: "Do you know what the drainage tube is used for?"
This question seems very basic. The more basic something is, the harder it is to answer. If you just answer it using the answer in the textbook, your boss will probably dislike you for just reading from the textbook.
...
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"The functions of drainage tubes can be roughly divided into two types." Pan Shihua said his experience after learning in clinical practice, "One is to treat patients. The other is generally left after surgery to do some preventive work, such as monitoring for anastomotic leaks, preventing postoperative infections, and timely detecting some postoperative complications."
"Yes, yes." Director Zheng responded while listening, and then asked, "What is the purpose of this patient's drainage tube at present?"
"My classmate..." Pan Shihua suddenly remembered what Xie said, that all patients should be treated equally, and immediately changed his words, "The drainage tube in this patient is for treatment purposes."
"Is it for draining pus? Can you tell me more specifically, how can the drainage tube drain pus?" Director Zheng asked.
How can a drainage tube drain pus? The leader's questions are becoming more and more strange.
Pus drainage first explains the production of pus. When inflammation occurs in the human body, the cells in the body fight against the invading bacteria. After the fierce struggle, a large number of human cells are sacrificed and killed. The debris left behind and the killed bacteria are mixed with blood vessel exudates and other tissues to form a thick substance called pus. Perhaps, people can imagine pus as the battlefield scene left after the war: blood flows like a river.
Pus can be seen with the naked eye in white, yellow, grayish yellow, etc. It can be seen overflowing from wounds exposed on the human body, or when doctors artificially make a cut in the human body to let pus from deep inside the body flow out. The reason why doctors must let pus flow out of the body is that in addition to degenerated and necrotic neutrophils called pus cells, pus contains bacteria, which are a source of infection in the body and will cause continuous recurrence of infection in the body. The most feared thing is that the infection will eventually spread throughout the body and become sepsis.
After understanding why the drainage tube is needed to allow pus to flow out of the body, it becomes extremely important that the drainage tube left by the doctor becomes like a magical object. If it is unobstructed, it can discharge the source of infection from the body and allow the wound in the patient's body to heal.
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