Divers aid and communal

1. CPR 
When the heart suddenly stopped, shall be immediately to the chest outside heart extrusion to help restore normal heart beat. Method is: the responders used overlapping, palm root pressure line segments in the sternum, elbows straight, on the arm and body weight, with 60 ~ 80 times/min rhythm down vertically, each should make the sternum subsidence 3-4 cm, hands up quickly and may shift after extrusion. If two people are present, when the ambulance chest outside heart extrusion were analyzed after 4 times, other people can make one to serve as an assistant in artificial respiration. If there is 1 person, can make chest outside heart squeeze every 15 times, a mouth to mouth or mouth of nasal breathing 2 ~ 3 times. Such as extrusion effectively, can touch the artery pulse, the color of the patient's skin, mucous membrane is ruddy gradually, the pupil by large narrowed, and restore spontaneous breathing. 
2. Artificial respiration 
General use mouth-to-mouth resuscitation. Such as patients with oral cavity block, can be imposed on nasal breathing, BeiJiuZhe cornering, lie flat on his back, head to the respiratory tract unobstructed. Responders in patients with a side, one hand hold patients with jaw make their heads back, another hand hold the nostrils, and patients with open mouth. Responders breathed a deep breath quickly BeiJiuZhe respiratory, loosen your hands after blowing, make its naturally aspirated. Blow air to appropriate, general with 16 ~ 20 times/min rhythm blowing is advisable. 
In addition, it can be used on chest, lie on your back boom, stomach back pressure method, the basic principles are the same, can be used according to the different situation of BeiJiuZhe flexible. 
3. The bleeding 
Acute blood loss will cause serious consequences, the event should adopt effective measures immediately. Suitable for the scene of the method has a hand pressure hemostasis, compression bandage hemostasis and tourniquets method. 
Hand pressure hemostasis is oppressed by hand bleeding place close to the heart of the end, to stop the bleeding. The method most suitable for limbs of bleeding. Compression bandage hemostasis is covered the wound with sterile gauze piece, reoccupy bandage, to achieve the goal of the bleeding. Law for the entire body. If the bleeding is less, can be effective hemostatic drugs such as check blood meal to stop the bleeding. If limb arterial bleeding, using the above method is hard to work, need to use a tourniquet to stop the bleeding. On the part of the tourniquet for upper arm on the 1/3 and thighs, and to be first with gauze pad. Tourniquet the tightness of moderation, general requirements once every 1 ~ 2 h to relax, 2 ~ 3 min each time, in case of affected limb necrosis. 
4. The wound dressing 
To correct and timely wound dressing to prevent further pollution of the trauma. The wound, must first carry on effective hemostasis and disinfection, and then use sterile dressings bandage, elastic moderation. 
5. The fracture fixed 
Fractures not only destroy the bone scaffold effect, but also due to fracture of the mobile muscles, blood vessels and nerves, increase the patient's pain and risk. Fracture fixation splint or handy equipment can be used for. Fixed, bandage open fractures, plywood and sealed with a gauze pad flat between organizations, fixed scope to include fracture of two joints, and is moderately to loosen, fingers, toes and other organizations, is advantageous for the observation of blood circulation.