An older patient is diagnosed with E. coli in the bloodstream. If not treated, the nurse realizes this patient is at risk for developing which types of shock?
1. distributive
2. obstructive
3. hypovolemic
4. anaphylactic
Correct Answer: 1
Distributive shock includes several types of shock that result from widespread vasodilatation and decreased peripheral resistance. As the blood volume does not change, relative hypovolemia results. One example of distributive shock is septic shock. Septic shock is one part of a progressive syndrome called systemic inflammatory response syndrome and is most often the result of gram-negative bacterial infections such as E. coli. Obstructive shock is caused by an obstruction in the heart or great vessels that either impedes venous return or prevents effective cardiac pumping action. Hypovolemic shock occurs with a decrease in circulating blood volume. Anaphylactic shock occurs as the result of a widespread humorally mediated hypersensitivity reaction.
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