ACLS – Flashcards

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question
in cardiac arrest when do you first introduce medical intervention? which drug?
answer
after 2 rounds of CPR/shock after 2nd shock give 1 mg epinephrine every 3-5 minutes
question
when do you introduce amiodarone during cardiac arrest?
answer
after the 3rd shock give 300 mg bolus of amiodarone if second dose is needed give 150mg as second dose
question
what rhythms are shockable in cardiac arrest
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VF VT
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what rhythms are not shockable in cardiac arrest
answer
asystole PEA
question
if you are in an unshockable rhythm arrest when do you give epi
answer
1mg epi every 3-5 minutes after 1st round of CPR
question
what do you do after return of spontaneous circulation
answer
maintain O2 sat at 94% treat hypotension (fluids vasopressor) 12 lead EKG if in coma consider hypothermia if not in coma and ekg shows STEMI or AMI consider re-perfusion
question
what are the 5 h's and 5 t's
answer
hypovolemia hypoxia hydrogen ion (acidosis) hypo/hyperkalemia hypothermia tension pneumothorax tamponade, cardiac toxins thrombosis, pulmonary thrombosis, coronary
question
how do you treat non-symptomatic bradycardia
answer
monitor and observe
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what constitutes symptomatic bradycardia
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hypotension altered mental status signs of shock chest pain acute heart failure
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how do you treat symptomatic bradycardia
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1. give 0.5mg atropine every 3-5 mins to max of 3mg if that doesn't work try one of the following: transcutaneous pacing 2-10mcg/kg / minute dopamine infusion 2-10mcg/minute epinephrine infusion
question
what is considered a tachycardia requiring treatment
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over 150 per minute
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when do you consider cardioversion
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if persistent tachycardia is causing: hypotension altered mental status signs of shock chest pain acute heart failure
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if persistent tachycardia does not present with symptoms what do you need to consider
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wide QRS? greater than 0.12 seconds
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If persistent tachycardia without symptoms DOES have a wide QRS what to do you do?
answer
IV access and 12 lead if available 6mg adenosine followed by NS flush only IF regular and monomorphic consider anti-arrhythmic infusion: - 20-50mg/min procainamide (max 17mg/kg) - 150mg amiodarone over 10 minutes - 100mg sotalol over 5 minutes
question
which anti-arrhythmic drugs can be used if prolonged QT
answer
only amiodarone 150mg over 10 minutes, repeat if VT occurs follow by maintenance infusion 1mg/min for first 6 hours
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if persistent tachycardia without symptoms and without wide QRS what do you do
answer
IV access and 12 lead EKG if available vagal maneuvers 6mg adenosine followed by NS flush only IF regular Beta blocker or calcium channel blocker
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patient comes in with symptoms of ACS what do you do first
answer
chew 325mg aspirin O2 nitro morphine get 12 lead EKG IV access
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IF ACS patient has EKG showing ST elevation and symptoms are less than 12 hours then what
answer
re-perfusion door to balloon 90 minutes door to needle 30 minutes
question
If ACS patient has EKG showing non ST elevation MI or high risk unstable angina then what
answer
early invasive strategy? adjunctive treatment? -nitroglycerin -heparin -beta blockers -clopidogrel -glycoprotein IIb / IIIa inhibitor
question
what are the contraindications to fibrinolytics in ACS treatment
answer
systolic > 180 diastolic > 100 right arm left arm systolic difference > 15 history of structural central nervous system disease recent head/facial trauma stroke more than 3 hours or less then 3 months ago recent trauma, surgery or bleed any history of intracranial hemorrhage bleeding, clotting problem or on blood thinners serious systemic disease
question
adenosine
answer
used in tachy 6mg bolus followed by 20mL normal saline 12mg can be used after 1-2 minutes
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amiodirone
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In VF/VT arrest AFTER trying CPR shock and epi/vasopressin: 300mg then 150mg In life threatening arrhythmias: 150mg over 10 minute infusion, every 10 minutes as needed
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atropine sulfate
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use as first line defense in sinus bradycardia 0.5mg every 3-5 minutes as needed MAX is 3mg ( think alive gets 0.5) do not use if hypothermia
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dopamine
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2nd line drug for symptomatic bradycardia use for hypotension with signs of shock 2-20 mcg/kg per minute
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epinephrine
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in cardiac arrest: 1mg every 3-5 minutes in bradycardia or hypotension: 2-10mcg/minute infusion
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lidocaine
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alternative to amiodirone in cardiac arrest: 1-1.5 mg/kg IV for stable VT, wide complex VT: 0.5 - 0.75 mg.kg every 5-10 minutes max of 3mg/kg
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magnesium sulfate
answer
use in cardiac arrest only if hypomagnesemia or torsades: 1-2g diluted in 10mL of D5W use in torsades with a pulse or AMI with hypomagnesia: 1-2g in 50 to 100 mL of D5W maintenance with 0.5g per hour infusion
question
vasopressin
answer
cardiac arrest: 40 units can replace either 1st or 2nd dose of epi
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what meds can go down the endotrachial tube
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atropine epinephrine lidocaine vasopressin
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hyperkalemia
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1mEq of sodium bicarb
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hypokalemia
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10-20 mEq of potassium
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hypomagnesemia
answer
give mag sulfate 1-2g
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