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24 Cards in this Set
- Front
- Back
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shock
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also "hypoperfusion"; inadequate flow of blood through an organ or part of the body
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cardiogenic shock
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pump failure; heart beats too slow/too fast or does not have enough force to pump; heart attack, arhythmia
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hemorrhagic shock
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shock caused by severe bleeding; external or internal
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causes of shock
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disruptions of circulatory function: pump failure, fluid loss, obstruction of blood flow, container failure
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hypovolemic shock
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shock caused by loss of blood, plasma, or body fluid; vomiting, diarrhea, excessive sweating/urination
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obstructive shock
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blood flow slowed or stopped by mechanical or physical obstruction (e.g. blood collects in sac surrounding heart)
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distributive shock
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unequal distribution of blood flow
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types of distributive shock
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neurogenic shock, septic shock, anaphylactic shock, psychogenic shock
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neurogenic shock
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injury to spinal cord
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septic shock
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severe infection
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anaphylactic shock
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severe allergic reaction
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psychogenic shock
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psychological causes
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Time till brain, heart, lung damage
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4-6 minutes
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time till kidneys and liver damage
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45-90 minutes
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time til skin/muscle damage
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4-6 hours
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early (compensated) shock
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"shock with normal BP"; body attempts to protect vital organs
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three stages of shock
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early (compensated), late (decomensated), and irreversible (terminal)
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signs of early shock
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altered mental status (anxious, restless, combative), slight increased breathing rate, pale skin that's cool/moist, sweating, increased HR, weak peripheral forces, poor cap refill, normal BP, nausea/vomiting, thirst
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late (decompensated) shock
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presence of low BP; body's losing ability to make up for lack of oxygenated blood
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cardiac tamponade
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sac around heart is filling with blood; often caused by lodged steering wheel in MVC
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signs of late shock
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slow response/unresponsive, extreme thirst, nausea/vomiting, shallow/labored/irregular breathing, rapid HR, cool/moist skin that's pale/blue/mottled, delayed cap refill, low BP
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irreversible shock
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body's defense mechanism have failed; results in death
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Common causes of shock in children/infants
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trauma, fluid loss, infection, anaphylaxis, congenital heart disease, chest wall injury
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Special emergency care for shock
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oxygen, control external bleeding, supine except for late pregnancy on left side, nothing to eat or drink, cover with blanket, rapid transport.
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