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Question

Dopamine: At levels greater than 10mcg/kg/min -->
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Dopamine: At levels less than 5mcg/kg/min -->
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CCRN MEDS

QuestionAnswer
Dopamine: At levels greater than 10mcg/kg/min --> Dopamine exerts PURE ALPHA effects (e.g., peripheral vasoconstriction
Dopamine: At levels less than 5mcg/kg/min --> Dopamine exerts mainly beta1 effects (increased HR, increased contractility)
Dopamine: At levels less than 5 - 10mcg/kg/min --> Dopamine exerts beta1 PLUS alpha effects (e.g., increased HR, increased contractility, peripheral vasoconstriction)
Dopamine: At levels less than 1-2mcg/kg/min --> DO NOT CAUSE dopaminergic stimulation.
Acarbose (Precose) 1) An Alpha-glucosidase inhibitor - delays digestion of ingested carbophydrates resulting in a smaller net rise in serum glucose after eating. 2) Simple sugars must be given for hypoglycemia.
Ibutilide (Corvert) Used to convert acute onset Afib to NSR.
Adenosine 1) Slows the rate so that RN may check for P waves to differentiate A-fib from Atrial Tachycardia. 2) Unlikely to convert A-fib to NSR
Digoxin 1) Slows conduction through the AV node 2) Unlikely to convert A-Fib to NSR
Atenolo & other B Blockers 1) Slows conduction through the AV node 2) Unlikely to convert A-Fib to NSR
Carvedilol (Coreg) 1) A & Non-cardioselective B blocker 2) Mostly used for heart failure
Labetalol 1) A & Non-cardioselective B blocker 2) Mostly used for hypertension
Propranolol 1) Non-cardioselective B Blocker 2) No Alpha activity
Esmolol (Brevibloc) 1) Cardioselective B blocker 2) No Alpha activity
Metoprolol (Lopressor) 1) Cardioselective B blocker 2) No Alpha activity
Nitroprusside (Nipride) 1) Arterial dilator 2) Thicyanate toxicity in pts receiving therapy > 72hours 3) May cause hypoxemia via methemoglobinemia and/or intrapulmonary shunt 4) Antidote is Methylene BLUE
Procainamide 1) (Class 1A Antidysrhythmic) May increase/prolong QT interval 2)May cause Torsades de pointes
Loop diuretics Work by blocking the resorption of sodium and water at the medullary area of the ascending loop of henle
Cyclosporine (Sandimmune) 1) The most specific for suppressing cellular immunity 2) Does not depress bone marrow function
Created by: induce
 

 



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