English composition of family first aid

1, early phase ligation. After being bitten by a snake, you should immediately use a soft rope or latex tube (it is recommended to carry it with you) to ligate a joint above the wound. The ligation action is faster than that, and it is best to finish it in 2-5 minutes after the bite. You don't need to check other treatment time within one or two hours after dressing the wound. " 2. clean the wound. After ligation, clean water can be used to wash the wound with cold boiled water, cold boiled water with salt or soapy water. If hydrogen peroxide is used, 1:500 purple salt solution is better. 3, stabbing detoxification. In the washing process after treatment, use a clean tool (it is recommended to prepare several blades in the field first aid kit) to puncture the wound and expose it to the skin near the wound, if the rice grains are the same size. Or, for teeth, can marks represent the "center"? Type cutting? } "separate. When using a knife, it is not advisable to stab it deeply with a dagger to avoid the wound touching blood vessels. If possible, you can soak the wound in cold salt water for about 20 minutes from the ground to squeezing the wound and extract it with venom. Also, you can use it directly to take medicine, but you must pay attention to safety, don't vomit, and rinse your mouth with clear water every time. Dr. Chen specially reminded that you can't use it to take medicine. If there are ulcers or dental caries in the mouth, it is because the venom will quickly enter the blood circulation through the mucosa of the lost part of the mouth.