Search results
Results From The WOW.Com Content Network
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 ...
[3] [12] [13] Besides, nearly all kinds of distributive shock such as septic shock, neurogenic shock, anaphylactic shock, drug and toxin-induced shock, endocrine shock can turn out into refractory vasodilatory shock when the original shock becomes more severe. [14] [2] [15] [16] [17] [4] The most common cause of vasodilatory shock is sepsis. [5]
Septic shock (a form of distributive shock) is the most common form of shock. Shock from blood loss occurs in about 1–2% of trauma cases. [ 34 ] Overall, up to one-third of people admitted to the intensive care unit (ICU) are in circulatory shock. [ 42 ]
Obstructive shock can occur in the setting of tension pneumothorax and cardiac tamponade. These etiologies should be uncovered in the primary survey. [3] In the setting of head or neck trauma, an inadequate sympathetic response, or neurogenic shock, is a type of distributive shock that is caused by a decrease in peripheral vascular resistance. [3]
Neurogenic shock is a distributive type of shock resulting in hypotension (low blood pressure), often with bradycardia (slowed heart rate), caused by disruption of autonomic nervous system pathways. [1] It can occur after damage to the central nervous system, such as spinal cord injury and traumatic brain injury.
Other signs may be seen depending on the underlying cause. For example, jugular venous distension is a significant finding in evaluating shock. This occurs in cardiogenic and obstructive shock. This is not observed in the other two types of shock, hypovolemic and distributive. [3] Some particular clinical findings are described below.
Moreover, disruptions may present specifically to each component or multiple systems may be affected at the same time, which generally results in the 3 designated types of shock: Obstructive, Distributive, Hypovolemic. [8] Typically, patients would have a presentation of shock at the Compensated, Decompensated, and Irreversible Stage. [9]
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.