ECCO Multisystem Disorders test questions and answers
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obstructive shock
Shock that occurs when there is a block to blood flow in the heart or great vessels, causing an insufficient blood supply to the body's tissues.
distributive shock
maldistribution of blood volume, including:
-anaphylactic shock (activation of immune response d/t allergic...
ECCO Multisystem
Disorders test
questions and answers
obstructive shock
Shock that occurs when there is a block to blood flow in the heart or
great vessels, causing an insufficient blood supply to the body's
tissues.
distributive shock
maldistribution of blood volume, including:
-anaphylactic shock (activation of immune response d/t allergic
reaction)
-neurogenic shock (loss of sympathetic tone r/t traumatic spinal
cord injury)
-septic shock (altered immune response r/t infectious process)
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initial stage of shock
-decreased venous return
-decreased stroke volume
-decreased cardiac output
-decreased tissue perfusion
Patient may be tachypneic.
compensatory stage of shock
-increased HR and contractility
-increased arterial/venous vasoconstriction
-blood is shunted to vital organs, RAAS activated, sodium and water
retained
-pituitary and adrenal glands stimulated, leading to hyperglycemia
& catecholamine release
ABGs: decreased PaO2 and PaCO2, increased pH
Progressive Stage of Shock
Pt is unresponsive, ineffective tissue perfusion and organ
dysfunction, failure of GI/renal systems, cardiac/liver failure, loss of
cerebral function
ABGs: decreased PaO2, high PaCO2, low pH, low HCO3
Refractory Stage of Shock
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