Here we must first mention that the anatomical structure of the calf and forearm is very important different from that of the thigh and upper arm. These two positions of the calf and forearm are composed of double bones. The anatomical feature of the double bones is that there is a dense interosseous space between the bones.
The fascial membranes are connected, the elasticity of the fascia is small, and the capacity of the fascial compartment is small. Therefore, there is no expansion space after the limb is compressed and swollen.
Unlike the thighs and upper arms, where the tissue is relatively loose and has a relatively large "error-tolerance" space. To use an analogy, it can be simply understood that the organization of the limbs is like a table and a table spliced together. In the calf and forearm, there is a gap between the table and the table.
It's small, and the table can easily be squeezed and broken if it's pressed hard.
The situation is opposite for the thighs and upper arms. The gap between the table and the table is large, and there is a relatively large space and time to bear the pressure. The tissue in the calf and forearm has a low pressure-bearing value. As a result, compartment syndrome is prone to occur and the nerves, muscles, blood vessels, etc.
Crushed and crushed to death, muscle necrosis releases a large amount of toxins into the patient's body, resulting in a high mortality rate for the injured.
The area where Liu Hui was pressed was her forearm. Since the landslide pressing her forearm was difficult to remove, Grandma Cao, an orthopedic expert, first judged that compartment syndrome would occur sooner or later. Once compartment syndrome was reached,
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It would be better to amputate the limb in the first place and save the person.
In fact, even Zeng Wanning, who was a relatively poor student, came to the scene and could tell that Liu Hui couldn't keep her hand. The reason was that Liu Hui said that her hand was pressed to the point that she could no longer feel it.
This is a symptom of the patient's limb nerves being crushed to death.
The nerves are crushed to death, and it is almost certain that the patient will enter the late stage of compartment syndrome.
The doctor at the scene made a judgment and immediately said: "Amputate the leg."
Li Yong and a group of classmates shouted on behalf of Liu Hui: "No, our teacher has been waiting for a long time and persisted for a long time. In order to avoid amputation, we rushed to the hospital!"
These people and the medical staff at the scene were completely speechless.
Zeng Wanning covered his head and tried to find a place to hide.
A group of students who were loyal to the teacher prevented the amputation, so the doctor had to do his best to fulfill the patient's wish and send the patient to the hospital.
"How about sending you to the hospital?" Li Yong and the others asked Zeng Wanning.
Zeng Wanning raised his face and shook his head violently: No, no, no! He will be scolded to death by the leader when the time comes.
"Where can I send you if I don't take you to the hospital?"
"Send it to Kong Yunbin. Teacher Liu has always believed in Kong Yunbin the most, and his grades are better than mine." Zeng Wanning had an idea and thought of another person who could blame him.
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