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¡¾2479¡¿There is knowledge among them

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    Xie Wanying believes that she doesn¡¯t need to say these words herself. Zhang Wei, who has experienced what she experienced today, will figure it out on her own.

    Turning around, Xie Wanying faced the assisting classmate Wei and whispered: "She probably has a pelvic fracture. You need to be very careful when lifting her to fix her pelvis."

    Wei Shangquan was frightened whenever he heard the words pelvic fracture.

    People who have suffered pelvic fractures and have seen seriously injured people in car accidents in clinical settings will be deeply impressed by the most dangerous trauma.  This is because from an anatomical point of view, there are too many organs involved in and around the pelvis.  As long as the sharp end of the fracture is exposed, it will easily puncture the organs in or near the pelvis, causing hemorrhagic shock.  For a severely injured patient with such a pelvic fracture, the time left for doctors to rescue and stop the bleeding is usually less than six hours.

    After being frightened, Wei Shangquan looked at the injured again: Hey, isn¡¯t he in shock?

    "She may have a compression fracture, type A of the tile classification, so there is no internal bleeding yet." Xie Wanying whispered to her classmates.  These words cannot be heard by the injured to avoid unnecessary panic.

    Pelvic fractures are commonly divided into four types using the young-burgess classification method, with the goal of distinguishing the severity of the injury and guiding prognosis.  According to this classification principle, the most serious of the four types is the front-to-back extrusion type, also called the separation type.  The separation type mainly refers to the separation of the pubic symphysis.  Pubic separation can easily lead to rupture of the ligaments that maintain the pelvis. This chain reaction will lead to severe bleeding.  Therefore, this type has the highest mortality rate.

    The compression fracture that Xie mentioned is the lateral compression fracture, which is the most common type of pelvic fractures, accounting for half of the total number, and has a lower mortality rate than separation fractures.

    What type is the best? Here I would like to propose another classification of fractured pelvis, which is the tile classification mentioned by Xie.  The tile classification method distinguishes type A, type B, and type C.  This classification method is based on whether the bone is displaced, stable or unstable after a fracture occurs.  Type A is undoubtedly the best, as it moves slightly and the bone continues to remain stable after the fracture.

    As long as the bone can basically remain stable in its original position, with no roots broken, no tip exposed, no damage to nearby organs, and no bleeding, then you can rest and let the fracture grow back on its own.

    The prerequisite for achieving this step is to fix the pelvis well to prevent a second disaster from happening to the pelvis.

    Why do ordinary people understand that they cannot move around the wounded at the scene?  Because you are not a professional, you cannot judge the condition of the injured person and how to move it.  It¡¯s not that the injured cannot be moved, but that the correct medical treatment path must be followed.

    The injured are the most difficult to move.  If you have studied on-site pre-hospital first aid, you will know that the most difficult to judge, the most difficult to safely transport the injured, and the most likely to cause secondary injuries to the injured are the injured with various fractures.

    On-site first responders need to take a deep breath, coordinate their thoughts, and then take appropriate handling measures.

    Classmate Wei Shangquan has a question about this: How did classmate Xie determine that the pelvis was fractured.  You must know that the injured person said that his left leg was pinned down, and the most serious injury should have been to his left leg.

    The injured person¡¯s left leg was under pressure, but when he pried open the car panel, he found only scratches on the skin and no obvious swelling or bruises on the calf.  On the contrary, when the injured person groans when he shrinks his legs, combined with the fact that the patient's sitting posture is awkward and painful, it can indicate that there may be a problem with the pelvis.

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