ACLS Drugs dosages & uses Exam Questions and Solved Answers

For poor perfusion with Bradycardia Treat with which first line treatment? - ANSWER-Atropine 1mg IV (repeat to a total of 3mg IV) For poor perfusion with Bradycardia Treat, if the first line of treatment is ineffective, what should be provided and what med should be given? - ANSWER-Transcutaneous pacing Dopamine 5-20mcg/kg/minute infusion OR Epinephrine 2-10mcg/min infusion What is the first line drug for acute stable bradycardia and how do you administer it? - ANSWER-Atropine given as 1mg IV q 3-5minutes (up to 3mg IV) Hoe does Atropine work? - ANSWER-Reverses the cholinergic-mediated decreases in the heart rate and AV node conduction Which two AV block types will not respond to Atropine? - ANSWER-Mobitz type II second-degree AV block and third-degree AV block What is the preferred treatment for Mobitz type II second-degree AV block and third-degree AV block? - ANSWER-TCP or B-adrenergic (dopamine, epinephrine) support until transcutaneous pacing can be achieved If only 0.5mg of IV Atropine is given what consequence could it have? - ANSWER-It can further lower the HR What can be used if bradycardia is unresponsive to Atropine? - ANSWER-B-adrenergic infusions (dopamine or epinephrine) What must you consider before giving B-adrenergic infusions in bradycardia? - ANSWER-The pt's BP/intravascular volume status for hypovolemia