出血部位如何判断
How to judge the bleeding site
根据出血部位的不同，分为皮下出血、内出血和外出血：
According to the location of bleeding, it can be divided into subcutaneous hemorrhage, internal bleeding and external bleeding
1、皮下出血：多因跌、撞、挤、挫伤，造成皮下软组织内出血，形成血肿、瘀斑，可短期自愈。
1. Subcutaneous hemorrhage: due to fall, bump, squeeze, contusion, the subcutaneous soft tissue bleeding, forming hematoma, ecchymosis, can be short-term self-healing.
2、内出血：体表见不到出血，血液由破裂的血管流入组织、脏器或体腔内（如胸腔内、腹腔内和颅腔内），只能根据伤病人的全身或局部症状来判断，如面色苍白、吐血、腹部疼痛、便血、脉搏快而弱等，情况较严重，现场无法处理，需急送医院处理。
2. Internal bleeding: there is no bleeding on the body surface, and the blood flows into tissues, organs or body cavities (such as chest cavity, abdominal cavity and cranial cavity) through ruptured blood vessels. It can only be judged according to the general or local symptoms of the injured patient, such as pale complexion, hematemesis, abdominal pain, hematochezia, rapid and weak pulse, etc. the situation is serious and cannot be handled on site, so it needs to be sent to the hospital for treatment.
3、外出血：体表可见到，血液经皮损处流出体外。
3. External bleeding: the body surface can be seen, the blood flows out of the body through the skin lesion.