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Shock

TermDefinition
Shock Inadequate tissue perfusion; resulting from insufficient oxygen delivery, uptake, and utilization to meet the metabolic demands of cells and organs.
Hypovolemic Shock ~~ volume problem Decrease in the amount of circulating blood volume. Shock from hemorrhage is the leading cause of preventable deaths in trauma patients.
Obstructive Shock ~~ pump problem Hypoperfusion of the tissue due to an obstruction either in the vasculature or the heart.
Cardiogenic Shock ~~ pump problem Results from pump failure in the presence of adequate intravascular volume. There is a lack of cardiac output and end-organ per fusion secondary to a decrease in myocardial contractility and/or valvular insufficiency.
Distributive Shock ~~ Result of maldistribution of an adequate circulating blood volume with the loss of vascular tone or increased permeability.
Neurogenic Shock = Distributive Shock Occurs with spinal cord injury resulting in the loss of sympathetic nervous system control of vascular tone, which produces vasodilitation.
Anaphylactic Shock = Distributive Shock Results from a release of histamines or other inflammatory mediators, contracting smooth muscle and increasing vascular permeability and vasodilation.
Septic Shock = Distributive Shock Caused by the systemic release of bacterial endotoxins, resulting in increased vascular permeability and vasodilation.
Cardiogenic Shock Myocardial Infarction
Cardiogenic Shock Dysrhythmias
Cardiogenic Shock Blunt cardiac Trauma
Cardiogenic Shock Loss of cardiac contractility and dysrhythmias
Cardiogenic Shock Reduced cardiac output
Cardiogenic Shock Treatment includes inotropic support, antidysrhythmic medication, and treatment of underlying cause.
Hypovolemic Shock Hemorrhage
Hypovolemic Shock Whole blood loss
Hypovolemic Shock Burns
Hypovolemic Shock Plasma loss
Hypovolemic Shock Severe loss of volume from vomiting and or diarrhea.
Obstructive Shock Tension pneumothorax
Obstructive Shock Cardiac tamponade
Obstructive Shock Tension hemothorax
Obstructive Shock Compression of heart with obstruction to atrial filling.
Obstructive Shock Mediastinal shift with obstruction to atrial fillings
Obstructive Shock Combination of compression of the heart and mediastinal shift.
Distributive Shock Neurogenic shock
Distributive Shock Anaphylactic shock
Distributive Shock Septic shock
Distributive Shock Loss of vasomotor tone due to decreases in sympathetic control
Distributive Shock Vasodilation of vessels due to immune reaction to allergens.
Distributive Shock Mediated by systemic inflammatory response syndrome with hypotension and perfusion abnormalities.
Distributive Shock treatments include norepinephrine, dopamine, epinephrine, vasopressin to produce vasoconstriction.
Created by: 1gindragon2
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