What components are considered in basic life support? - Answer-circulation
airway
breathing
What are the medications used to treat cardiac arrest? - Answer-epinephrine
vasopressin
amiodarone
lidocaine
magnesium
What are the effects of epinephrine? - Answer-potent vasoconstriction and ab...
Exam 1 - Cardiac Arrest Questions and
Answers
What components are considered in basic life support? - Answer-circulation
airway
breathing
What are the medications used to treat cardiac arrest? - Answer-epinephrine
vasopressin
amiodarone
lidocaine
magnesium
What are the effects of epinephrine? - Answer-potent vasoconstriction and ability to
increase cardiac output
What does epinephrine target? - Answer-alpha-1 adrenergic agonist
beta-1 adrenergic agonist
What is the effect of epinephrine targeting the alpha-1 adrenergic receptor? - Answer-
direct vasoconstriction
What is the effect of epinephrine targeting the beta-1 adrenergic receptor? - Answer-
increase heart rate
increase heart muscle contractility
increase conductivity through AV node
What are the routes for epinephrine administration? - Answer-IV (push, infusion)
IO
ET
Is vasopressin more effective than epinephrine? - Answer-No, no evidence that
vasopressin is superior than epiephrine
When might vasopressin be more effective? - Answer-catecholamine receptors are less
receptive the more acidic someone becomes
What is severe hypomagnesemia associated with? - Answer-vfib and PVT
What has magnesium helped with in previous trials? - Answer-return of spontaneous
circulation in arrests associated with torsades
What can happen when bicarbonate is added to an acidic environment? - Answer-
reaction can shift to the right and cause hypercarbia
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