University:
Liberty University
Course:
BIOM 500 | Introduction to Biomedical Sciences
Academic year:

2024
Views:

203

Pages:

5
Author:

Sheha A.

**Haemorrhage or Bleeding** **Definition:** Severe bleeding or haemorrhage is the major cause of shock. The cells and tissues that are most sensitive to inadequate perfusion are those of the brain, the spinal cord, and kidneys. **Classification:** * **External Haemorrhage** * **Internal Haemorrhage** **External Bleeding:** * Blood and open wound are visible. * First aid is to stop bleeding. * Body substance isolation precautions. * Gloves, mask, protective eye wear, gown. **External Bleeding: 3 Types** * Arterial bleeding * Venous bleeding * Capillary bleeding **Arterial bleeding:** * Bleeding from arteries is often severe, high pressure, and bright red in color. * Due to the high pressure, it is difficult to control. * Arterial blood spurts out in a rhythmic pattern. **Venous bleeding:** * Veins carry deoxygenated blood back to the heart at low pressure. * Bleeding is easy to control. * Blood flows in a steady stream and is dark red in color. **Capillary bleeding:** * Due to the small size of capillaries, bleeding is slow. * Due to low pressure, bleeding is easily controlled. * Most capillary bleeding is considered minor and easily controlled. **Signs and symptoms of shock due to external bleeding:** * Altered mental state