Test your knowledge of first aid by taking this quiz.
Even if a person's injuries aren't life-threatening, they can go into shock and die. Shock occurs when a person's organs and tissues don't get enough blood or oxygen. The person may be unconscious, but not always. Call for emergency help first, then follow these steps:
Francesca Torriani, MD
Medical Director, Infection Prevention and Clinical Epidemiology
UC San Diego | School of Medicine