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   When the firefighters confirmed that the building really has only seven floors, she thought that if she ran from the fourth floor to the rooftop, she would only have to climb three or four floors of stairs. The junior sisters should have run to the rooftop very quickly, but for some reason there was no news that they had reached the rooftop.

   This cast an unpredictable shadow over her heart.

   Relatives and friends are trapped inside, unable to get in and unable to get in by themselves. Outside, they are helpless and anxious.

   Calm down Calm down. I can only say this to myself, waiting patiently for the good news from the firefighters and junior sister, turned around, and Xie Wanying walked over to the ambulance.

As mentioned earlier, most of the people who could walk in the first wave belonged to the lightly wounded who left on their own. Afterwards, those who came out slowly or were rescued, or those who couldn’t walk on their own and needed help from others. is not light.

  Two ambulances, one raised the siren and quickly sent the seriously injured back to the hospital for rescue.

   The doctor at Pinghuai Hospital was delayed by the episode of jumping off the building, and he wanted to bring another seriously injured person back to the hospital at any time.

  Before other ambulances arrive, there will be no ambulance at the scene and it will become an emergency vacuum. After discussing with the doctors in his hospital, Cao Dong immediately unloaded some of the first-aid items from the ambulance, so that other medical staff who stayed at the scene could help with the initial treatment of the injured.

   Xie Wanying quickly joined the first aid team of the brothers and teachers.

   The first thing the medical staff on site should do is to do a good job in the first consultation to determine the priority of the patient\'s condition, as in the last accident.

   Fire casualties are basically inseparable from burns.

   First look at the division of burn wounds. Generally, they are divided into four grades according to the depth, which are divided into first degree, second degree, third degree and fourth degree.

  How to define the grades of these degrees, the most simple and intuitive method is to observe the burned skin surface.

  The skin of the injured person only shows erythema at one degree, which is the least serious and can be healed in a few days.

  The blisters on the wound surface belong to the second degree, and the subdivisions include the superficial second degree and the deep second degree.

  Three degrees and four degrees directly burned the skin of the injured person.

   If you ask the injured person how they feel, if a severe burn such as the third and fourth degree burns through the nerves, it must be that the pain of the wound is gone.

   The above is the depth division. To classify the severity of the injury, it needs to be comprehensively judged in combination with the patient\'s general condition. One of the most important reference factors for doctors is the size of the burn.

  The method of nine points is used to estimate the burn area in China. For example, the head, face and neck together account for 9% of the surface area of ​​the human body, and the lower limbs account for up to 46%.

   Combined with the upper burn area, burns can be divided into mild, moderate, severe, and extremely severe burns. If the third-degree burn area reaches more than 20%, it is a severe burn.

   In fact, the most terrifying inhalation injury of burns was mentioned earlier. In this case, the body surface does not seem to have been burned by the fire, and there may be no burn wounds on the body surface. Therefore, as long as the injured person inhales the harmful gas and turns into a fire and the lungs endanger the life of the injured person, it is regarded as a severe burn.

   I saw a firefighter carrying a wounded person. There was no blood on the skin and no wounds, but it was difficult for the person to move and he had to be carried on his back.

   "Found at the back door, fell to the ground and didn\'t move." The firefighter said.

   This situation does not seem to require a doctor\'s judgment. Firefighters know from experience that 99% of the time is carbon monoxide poisoning.

  The doctor squatted down and carefully examined the injured person.

   (end of this chapter)