Cardiac Drugs Flashcards
Adenosine (Adenocard)
Class:
Endogenous nucleoside, miscellaneous antidysrhythmic
Adenosine (Adenocard)
Description:
Slows electrical conduction through the AV node acting directly on pacemaker cells and vagal nerve.
Adenosine (Adenocard)
Onset and Duration:
Onset
Immediate
Duration
10 sec
Adenosine (Adenocard)
Indications:
Narrow complex SVT
Can diagnose Wide complex tachycardia
Adenosine (Adenocard)
Dose
Adult
6mg rapid IV/IO followed by 20ml flush
Then 12mg if 6 doesn’t work
Peds
0.1 mg/kg (Max 6mg) Followed by 5-10ml flush
Then 0.2 mg/kg (Max12mg)
Adenosine (Adenocard)
Contraindications:
Drug induced tachycardia
2nd TII, 3rd degree blocks
A flutter
WPW
Amiodarone (Cordarone)
Class:
Class III antidysrhythmic
(Potassium Blocker)
Amiodarone (Cordarone)
Description:
Prolongs action period and refractory period. Beta adrenergic receptors and calcium channel blocker activity
Amiodarone (Cordarone)
Indications:
V fib, pulseless v tach unresponsive to shock and cpr
Unstable v tach
Some stable atrial and ventricular dysrhythmias
Amiodarone (Cordarone)
Dose:
Pulseless VF, VT
300mg IV/IO push
followed by 150 IV/IO
Life threatening dysrhythmias
Rapid infusion 150mg over 10 min
Slow infusion 360mg over 6 hours
Maintenance infusion 540mg over 18 hours
Aspirin (ASA, Bayer, Ecotrin)
Class:
Antiplatelet, antipyretic, analgesic, anti-inflammatory
Aspirin (ASA, Bayer, Ecotrin)
Description:
Decreases inflammation, decreases platelet aggregation.
Aspirin (ASA, Bayer, Ecotrin)
Indications
Pain or fever
Prevention of platelet aggregation
ACS
Aspirin (ASA, Bayer, Ecotrin)
Contraindications:
GI bleeds
Bleeding disorder
hemorrhagic stroke
Aspirin (ASA, Bayer, Ecotrin)
Dose
(Pain and fever)
(ACS)
Pain and fever
325-650mg
ACS
160-325mg
Atropine Sulfate
Class:
Anticholinergic agent
Atropine Sulfate
Description:
Parasympathetic inhibits actions of acetylcholine. Blocks vagal effects and increase HR and enhanced AV conduction w no inotropic effect
Atropine Sulfate
Indications:
Hemodynamically significant bradycardia
Atropine Sulfate
Dose Adult
1mg every 3-5min (Max 3mg)
Atropine Sulfate
Dose Peds
0.02mg/kg
Diltiazem (Cardizem)
Class:
Calcuim channel blocker
Diltiazem (Cardizem)
Description:
Calcium channel blocking agent that slows conduction, increases refractoriness in AV node, causes coronary and peripheral vasodilation.
Diltiazem (Cardizem)
Indications:
Afib
Aflutter
After adenosine with narrow QRS
Diltiazem (Cardizem)
Contraindications:
Wide QRS tachycardias
2nd, 3rd degree block
Hypotension
Afib, Aflutter WPW
Diltiazem (Cardizem)
Dose:
Acute control
0.25mg/kg (15-25MG) IV over 2min
may repeat 15min
0.35mg/kg (20-25mg) over 2min
Maintenace infusion
125mg (25ml) in 100ml solution infuse 5-15 mg/hr
Dopamine (Intropin)
Class:
Sympathomimetic
Dopamine (Intropin)
Description:
Acts primarily on alpha1, beta 1 increases cardiac output, and rise in BP
Dopamine (Intropin)
Indications:
Hemodynamically significant hypotension
Symptomatic bradycardia
Dopamine (Intropin)
Dose cardiac
5-20 mcg/kg/min