Vasodilatory shock
Vasodilatory Shock
Vasodilatory shock (pronounced: vaso-dilatory shock) is a type of shock that occurs when the blood vessels suddenly dilate, causing a significant drop in blood pressure.
Etymology
The term "vasodilatory" is derived from the words "vaso," referring to the blood vessels, and "dilatory," which means causing dilation or expansion. The term "shock" in this context refers to a severe drop in blood pressure that can lead to organ failure if not treated promptly.
Definition
Vasodilatory shock is characterized by a decrease in systemic vascular resistance, leading to a drop in blood pressure. This can result in inadequate blood flow to the body's organs and tissues, potentially leading to organ failure. It is often associated with conditions such as sepsis, anaphylaxis, and certain drug reactions.
Symptoms
Symptoms of vasodilatory shock may include lightheadedness, fainting, rapid heartbeat, shortness of breath, cold and sweaty skin, and confusion. In severe cases, it can lead to organ failure and death.
Treatment
Treatment for vasodilatory shock typically involves intravenous fluids and medications to increase blood pressure and improve heart function. In severe cases, mechanical ventilation or other life-support measures may be necessary.
Related Terms
- Shock: A life-threatening condition that requires immediate medical attention.
- Sepsis: A serious infection that can trigger a body-wide inflammatory response.
- Anaphylaxis: A severe, potentially life-threatening allergic reaction.
- Systemic vascular resistance: The resistance to blood flow in the body's blood vessels.
External links
- Medical encyclopedia article on Vasodilatory shock
- Wikipedia's article - Vasodilatory shock
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