Xie Wanying believed that there was no need for her to say these words. After what happened today, Zhang Wei would figure it out on her own.
Turning around, Xie Wanying whispered to Wei who was assisting her, "She probably has a fractured pelvis. Be very careful when lifting her and keep her pelvis fixed."
Wei Shangquan was frightened whenever he heard the words "pelvic fracture".
Pelvic fractures are the most dangerous trauma for those who have seen seriously injured people in car accidents. This is because from an anatomical point of view, there are too many organs in and around the pelvis. As long as the tip of the fractured end is exposed, it is easy to puncture the organs in or near the pelvis, causing hemorrhagic shock. For such seriously injured people with pelvic fractures, the time left for doctors to rescue and stop bleeding is usually less than six hours.
After being frightened, Wei Shangquan observed the injured person again: Hey, no shock?
"She may have a compression fracture, Tile's type A, so there is no internal bleeding." Xie Wanying whispered to her classmates. These words could not be heard by the injured person to avoid unnecessary panic.
Pelvic fractures are often divided into four types using the Young-Burgess classification, with the goal of distinguishing the severity of the injury and guiding the prognosis. According to this classification principle, the most serious of the four types is the anterior-posterior compression type, also known as the separation type. The separation type mainly refers to the separation of the pubic symphysis. Pubic symphysis separation can easily cause the ligaments that hold the pelvis to rupture, and a series of chain reactions will inevitably lead to severe bleeding. Therefore, this type has the highest mortality rate.
The compression fracture that Xie mentioned is the lateral compression type, which is the most common type of pelvic fracture, accounting for half of the total, and has a lower mortality rate than the separation type.
What is the best type? Here we have to propose another classification of fractured pelvis, which is the Tile classification method mentioned by Xie. The Tile classification method divides the pelvis into Type A, Type B and Type C. This classification method is based on whether the bone is displaced, stable or unstable after the fracture. Type A is undoubtedly the best, with slight movement, and the bone remains stable after the fracture.
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As long as the bone can basically maintain its original stability, without breaking off and exposing the tip, and without damaging nearby organs, and without bleeding, all you need to do is rest and let the fracture heal slowly on its own.
The prerequisite for achieving this step is to fix the pelvis and never let a secondary disaster happen to the pelvis.
Why do ordinary people understand that the injured at the scene cannot be moved? Because you are not a professional, you cannot judge the condition of the injured and how to move them. It is not that the injured cannot be moved, but moving them must follow the correct medical treatment path.
Which injured person is the most difficult to move? If you have studied pre-hospital emergency care, you will know that the most difficult injured person to identify and move safely is the injured person with various fractures, which are most likely to cause secondary injuries.
The first aid personnel on the scene need to take a deep breath, coordinate their thinking and then take appropriate transportation measures.
Wei Shangquan had a question: How did Xie determine that it was a pelvic fracture? You know, the injured person said that his left leg was crushed, and the most serious injury should have been on his left leg.
The victim's left leg was compressed, but when the car panel was pried open, only the skin was abraded, and there was no obvious swelling or bruising on the calf. Instead, the victim groaned when he retracted his leg. Combined with the patient's awkward sitting posture, it was obvious that sitting was painful and he couldn't hold on, all of which could indicate that there might be something wrong with the pelvis.
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