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Epinephrine drug class
Endogenous catecholamine and sympathomimetic
Epinephrine mechanism
Provides vasoconstriction, chronotropy, inotropy, dromotropy, and bronchodilation
Epinephrine cardiac arrest dose
1 mg IV/IO
Epinephrine cardiac arrest concentration
1:10,000
Epinephrine frequency during cardiac arrest
Every 3–5 minutes
Epinephrine is used in which arrest rhythms?
Shockable and non-shockable rhythms
Shockable rhythms for epinephrine use
Ventricular fibrillation and pulseless ventricular tachycardia
Non-shockable rhythms for epinephrine use
Asystole and pulseless electrical activity
What should be done immediately in VF/pVT?
Begin CPR
CPR duration between rhythm checks in VF/pVT
2 minutes or 5 cycles
When should VF/pVT be defibrillated?
When available
When should IV/IO access be established in VF/pVT?
As soon as possible
What medication is given after two defibrillations in refractory VF/pVT?
Amiodarone
First amiodarone dose for refractory VF/pVT
300 mg IVP
Second amiodarone dose for refractory VF/pVT
150 mg IVP
Amiodarone brand name
Cordarone
Amiodarone drug class
Class III antidysrhythmic
Amiodarone mechanism
Blocks potassium channels, increases effective refractory period, blocks sodium channels, and has calcium channel blocking properties
Amiodarone first dose for recurrent VF/pVT
300 mg IVP
Amiodarone second dose for recurrent VF/pVT
150 mg IVP
Amiodarone dose for stable VT with pulse
150 mg infused over 10 minutes
When should amiodarone be administered during refractory VF/pVT?
During second round of CPR after epinephrine
Lidocaine brand name
Xylocaine
Lidocaine drug class
Antidysrhythmic
Lidocaine first dose for VF/pVT
1–1.5 mg/kg IV/IO
Lidocaine second dose for VF/pVT
0.5–0.75 mg/kg IV/IO
Maximum lidocaine dose
3 mg/kg
Lidocaine infusion after conversion
2–4 mg/minute
Lidocaine first dose for stable VT with pulse
1–1.5 mg/kg IV/IO
Lidocaine second dose for stable VT with pulse
0.5–0.75 mg/kg IV/IO
Lidocaine post-conversion dose for stable VT
0.5 mg/kg IV/IO in 10-minute increments two times
Atropine drug class
Parasympatholytic and anticholinergic
Atropine mechanism
Inhibits parasympathetic nervous system and acts on vagus nerve (CN X)
Atropine dose for symptomatic bradycardia
1 mg
Maximum cumulative atropine dose for symptomatic bradycardia
3 mg
How should atropine be administered?
Push rapidly
What can slow atropine administration cause?
Refractory bradycardia
Atropine dose for organophosphate poisoning
1 mg every 3–5 minutes
Atropine goal in organophosphate poisoning
Control secretions
What mnemonic is associated with organophosphate poisoning?
SLUDGE
Adenosine brand name
Adenocard
Adenosine drug class
Antidysrhythmic
Adenosine mechanism
Delays conduction through the AV node
Adenosine indication
Stable supraventricular tachycardia
First adenosine dose
6 mg
Second adenosine dose
12 mg
Third adenosine dose
18 mg
Maximum adenosine dose
30 mg
How should adenosine be administered?
Rapid IV push followed by saline flush
Saline flush volume after adenosine
10–20 mL
Adenosine half-life
10 seconds
Why are IV site and flush critical with adenosine?
Because adenosine has a 10-second half-life
Procainamide brand name
Pronestyl
Procainamide drug class
Antidysrhythmic
Procainamide mechanism
Blocks sodium influx and slows conduction
What does procainamide decrease?
Atrial and ventricular rates
Procainamide indication
Stable tachycardic rhythms >150 bpm including SVT, VT, and A-Fib
Procainamide dose
25–50 mg/minute
Sotalol brand name
BetaPace
Sotalol drug class
Antidysrhythmic
Sotalol indication
Stable tachycardic rhythms >150 bpm including SVT, VT, and A-Fib
Sotalol dose
100 mg (1.5 mg/kg) over 5 minutes
Aspirin drug class
Antipyretic and antiplatelet aggregator
Aspirin mechanism
Blocks platelet aggregation and reduces clot formation risk
Aspirin indication
Chest pain and acute coronary syndrome
Aspirin contraindications
Children, known hypersensitivity, active ulcer disease, signs of or history of stroke
Aspirin dose
81–324 mg
One baby aspirin tablet equals
81 mg
One adult aspirin tablet equals
325 mg
If patient took aspirin within the last 24 hours, what should be given?
Remaining tablets to total 324 mg
Dopamine brand name
Intropin
Dopamine drug class
Endogenous catecholamine
Dopamine dopaminergic dose
0.5–2 mcg/kg/minute
Dopaminergic dose effect
Dilates renal and mesenteric arteries
Dopamine beta dose
2–10 mcg/kg/minute
Beta dose effect
Positive inotropy, chronotropy, and dromotropy
Dopamine alpha dose
10–20 mcg/kg/minute
Alpha dose effect
Vasoconstriction
Dopamine uses
Symptomatic bradycardia and high-degree heart blocks
Nitroglycerin drug class
Potent vasodilator
Nitroglycerin indications
Chest pain and pulmonary edema
What should be obtained before nitroglycerin for chest pain?
12-lead EKG
What should be established before nitroglycerin when possible?
IV access
How should nitroglycerin be administered for pulmonary edema?
With CPAP
Nitroglycerin dose
0.4 mg SL
Nitroglycerin frequency
Every 3–5 minutes as needed
Maximum total nitroglycerin dose
1.2 mg
What should be monitored with each nitroglycerin dose?
Blood pressure
Do not administer nitroglycerin if systolic blood pressure is below what?
100 mmHg
Why should a 12-lead be obtained before nitroglycerin?
To rule in or out RVI
Nitro-Bid paste dose
15 mg TD
Nitro-Bid paste application site
1-inch circle on upper left chest area
Sodium bicarbonate drug class
Alkalinizing agent
Sodium bicarbonate indication in cardiac arrest
Known dialysis patients or prolonged downtime
Sodium bicarbonate dose in cardiac arrest
1 mEq/kg IV/IO
Sodium bicarbonate indication in TCA overdose
Tricyclic antidepressant overdose
Sodium bicarbonate dose in TCA overdose
1 mEq/kg IV/IO
What may sodium bicarbonate cause on capnography?
Transient increase in capnography