Shock is the state of insufficient blood flow to the tissues of the body as a result of problems with the circulatory system. Initial symptoms of shock may include weakness, elevated heart rate, …

Oct 31, 2013 · Shock is the clinical expression of circulatory failure that results in inadequate cellular oxygen utilization.

Jun 17, 2024 · Shock is a state of systemic hypoperfusion, with inadequate blood supply to the tissues. Unfortunately, this may occur in different ways. The most simple physiology of shock …

Jul 15, 2024 · Shock is a life-threatening condition with symptoms like low blood pressure, weakness, chest pain, etc. Learn about causes, types, and treatments.

Shock is a life-threatening manifestation of circulatory failure. Circulatory shock leads to cellular and tissue hypoxia resulting in cellular death and dysfunction of vital organs.

Oct 15, 2025 · There are four main types of shock: hypovolemic, distributive, cardiogenic, and obstructive. In a shock emergency, call 911 and keep their legs elevated until help arrives. …

Aug 12, 2025 · Shock is a life-threatening condition of circulatory failure. It is a state of cellular tissue hypoxia caused by inadequate oxygen delivery that is unable to meet cellular metabolic …

Nov 17, 2025 · Shock, in physiology, failure of the circulatory system to supply sufficient blood to peripheral tissues to meet basic metabolic requirements for oxygen and nutrients and the …

Apr 17, 2025 · The first three states of shock are caused by decreased cardiac output. But the fourth type of shock is caused by circulatory problems, which can increase cardiac output in …

Mechanisms may involve decreased circulating volume, decreased cardiac output, and vasodilation, sometimes with shunting of blood to bypass capillary exchange beds. Symptoms …