Before we begin: Shock happens when not enough blood and oxygen can get to your organs and tissues. It can be life threatening. Find out about symptoms and treatment.
This tutorial walks you through everything you need to know about shock. We explain it in plain language, step by step, so whether you are a student, a patient, or simply curious, you will come away with a solid understanding.
We cover what it is, why it matters, how it is diagnosed, and what you can do about it. Key facts are called out along the way.
Shock happens when not enough blood and oxygen can get to your organs and tissues. It causes very low blood pressure and may be life-threatening. It often happens along with a serious injury.
There are several kinds of shock. Hypovolemic shock happens when you lose a lot of blood or fluids. Causes include internal or external bleeding, dehydration, burns, and severe vomiting and/or diarrhea. Septic shock is caused by infections in the bloodstream. A severe allergic reaction can cause anaphylactic shock. An insect bite or sting might cause it. Cardiogenic shock happens when the heart cannot pump blood effectively. This may happen after a heart attack. Neurogenic shock is caused by damage to the nervous system.
Symptoms of shock include:
Confusion or lack of alertness
Loss of consciousness
Sudden and ongoing rapid heartbeat
Sweating
Pale skin
A weak pulse
Rapid breathing
Decreased or no urine output
Cool hands and feet
Shock is a life-threatening medical emergency and it is important to get help right away. Treatment of shock depends on the cause.
NIH: National Heart, Lung, and Blood Institute
Related topics: Septic Shock.
Categories: Blood, Heart and Circulation.
Key Takeaways
Understanding shock is an important part of taking charge of your health. Here is what to remember:
- Know the signs — Recognizing early symptoms can lead to earlier diagnosis and better outcomes.
- Talk to your provider — If you have concerns or a family history of this condition, bring it up at your next checkup.
- Stay informed — Medical knowledge evolves. Keep learning and asking questions.
- You are not alone — Many people deal with this condition. Support groups and educational resources can help.