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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, tachycardia , hyperventilation , sweating , anxiety, and increased thirst. [ 1 ]
Hypovolemic shock is the most common type of shock in children, most commonly due to diarrheal illness in the developing world. [4] Hypovolemic shock occurs as a result of either blood loss or extracellular fluid loss. [4]
Vasodilatory shock, vasogenic shock, or vasoplegic shock is a medical emergency belonging to shock along with cardiogenic shock, septic shock, allergen-induced shock and hypovolemic shock. When the blood vessels suddenly relax, it results in vasodilation .
Cardiogenic shock is a medical emergency resulting from inadequate blood flow to the body's organs due to the dysfunction of the heart. Signs of inadequate blood flow include low urine production (<30 mL/hour), cool arms and legs, and decreased level of consciousness.
Septic shock, a result of severe infection Toxic shock syndrome, a specific type of severe infection; Anaphylactic shock, a result of severe allergic reaction; Neurogenic shock, due to a high spinal cord injury disrupting the sympathetic nervous system; Hypovolemic shock, resulting from an insufficient blood volume
Distributive shock is a medical condition in which abnormal distribution of blood flow in the smallest blood vessels results in inadequate supply of blood to the body's tissues and organs. [ 1 ] [ 2 ] It is one of four categories of shock , a condition where there is not enough oxygen -carrying blood to meet the metabolic needs of the cells ...
Obstructive shock is one of the four types of shock, caused by a physical obstruction in the flow of blood. [1] Obstruction can occur at the level of the great vessels or the heart itself. [ 2 ] Causes include pulmonary embolism , cardiac tamponade , and tension pneumothorax . [ 3 ]
Neurogenic shock results from damage to the spinal cord above the level of the 6th thoracic vertebra. [5] It is found in about half of people who have a spinal cord injury within the first 24 hours, and usually persists for one to three weeks. [5] Neurogenic shock may be caused by severe brain injury. [6]