几种外伤止血的家庭急救方法
Several Home First Aid Methods for Traumatic Hemostasis
血液是人体宝贵的液体，如果失血过多，就会发生生命危险。所以，学点止血的方法十分必要。外伤止血的方法主要有以下几种： 皮肤表面的毛细血管出血
毛细血管出血表现为慢慢渗出，出血量小，会自动停止，没有危险性，用“创可贴”就可以。 小静脉出血
比毛细血管出血快，止血方法是用干净的厚纱布、毛巾等放在伤口上，然后加压包扎，一般就会停止流血。常见的头部受伤，因头皮的毛细血管很丰富，常是血流满面，显得很可怕，事实上只要在伤口上加压包扎，很快就能止住血。
小动脉出血
出血速度快，出血量多，这种出血如不及时止住，短时间内人体会失去大量的血，就会发生休克。这时，加压包扎是止不住血的，只有在伤口上方扎止血带，或用毛巾、布条代替止血带包扎住，才能止住血。
Blood is the precious liquid of human body. If there is too much blood
loss, life will be in danger. Therefore, it is necessary to learn some
methods of hemostasis. Traumatic hemostasis methods mainly include the
following: capillary hemorrhage on the skin surface capillary hemorrhage
capillary hemorrhage manifested as slow exudation, small amount of
bleeding, will automatically stop, there is no danger, with "Band-Aid"
can be used. Small vein bleeding is faster than capillary bleeding. The
hemostasis method is to put clean gauze, towel, etc. on the wound, and
then pressure dressing, generally will stop bleeding. Common head
injuries, because the capillaries of the scalp are very rich, often full
of blood flow, it seems terrible, in fact, as long as the wound
pressure bandage, it will soon stop bleeding. Small artery hemorrhage
bleeds fast and has a large amount of bleeding. If the bleeding is not
stopped in time, the human body will lose a large amount of blood in a
short time, and shock will occur. At this time, pressure bandaging can
not stop bleeding. Only when the tourniquet is tied above the wound, or
the tourniquet is wrapped with towels and cloth strips instead of
tourniquet, can the bleeding be stopped.
