Neonatal Sepsis: Understanding and Preventing Risks for Your Newborn
September is Sepsis Awareness Month, which was established in 2011 to shine a light on this critical illness. Sepsis is a life-threatening illness or…

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Shock is a life-threatening condition that occurs when the body is not getting enough blood flow. Lack of blood flow means the cells and organs do not get enough oxygen and nutrients to function properly. Many organs can be damaged as a result. Shock requires immediate treatment and can get worse very rapidly. As many as 1 in 5 people in shock will die from it.
The main types of shock include:
Shock can be caused by any condition that reduces blood flow, including:
Shock is often associated with heavy external or internal bleeding from a serious injury.
Toxic shock syndrome is an example of shock that is caused by an infection.
A person in shock has extremely low blood pressure. Depending on the specific cause and type of shock, symptoms will include one or more of the following:
Take the following steps if you think a person is in shock:
IF THE PERSON VOMITS OR DROOLS
In case of shock:
Call 911 or the local emergency number any time a person has symptoms of shock. Stay with the person and follow the first aid steps until medical help arrives.
Learn ways to prevent heart disease, falls, injuries, dehydration, and other causes of shock. If you have a known allergy (for example, to insect bites or stings), carry an epinephrine pen. Your health care provider will teach you how and when to use it.
Angus DC. Approach to the patient with shock. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 92.
Puskarich MA, Jones AE. Shock. In: Walls RM, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 3.
Smith SG, Schreiber MA. Shock, electrolytes, and fluid. In: Townsend CM Jr, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 21st ed. St Louis, MO: Elsevier; 2022:chap 4.
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