Critical Care Hesi Latest 2022/2023 Rated A+
what should be corrected before administration of vasoactive agents ✔✔Hypovolemia should be corrected before the administration of any vasoactive agents
vasopressors ✔✔act to increase blood pressure
They mimic the effects of the sympathetic nervous system by stimulating alpha, beta, and other vascular receptors
dopamine ✔✔low dose: increase in renal blood flow and urine output
median dose: increase in HR, contractility, and CO
high dose: increase in vasoconstiction
ONLY GIVE THROUGH A CENTRAL LINE
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side effects of dopamine ✔✔tachycardia
chest pain
nausea
vomiting
arrythmias
epinephrine ✔✔low dose: increase in HR, contractility, bronchodilation
high dose: vasoconstrictor, decrease renal blood flow, decrease urine output, increase glucose -second choice for septic shock
CENTRAL LINE ONLY
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side effects of epinephrine ✔✔increase in lactic acid, tremors, palpitations, arrhythmia, hyperglycemia
norepinephrine ✔✔POTENT vasoconstrictor that will also increase HR and stroke volume = greater cardiac output.
CENTRAL LINE ONLY
drug of choice for septic shock
phenylephrine ✔✔Extreme peripheral vasoconstriction
Monitor BP, EKG, renal function, and electrolytes
USED for patients with hypotension and profound tachycardia
CENTRAL LINE ONLY
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