Cardiac Medications Flashcards
Practice the cardiac medications used in cardiovascular emergencies
Mechanism of action.
Adenosine
Slows conduction through AV node and interrupts re-entrant pathways.
Indication:
Adenosine
SVT
Adult and pediatric dosage.
Adenosine
- Adult: 6 mg, 12 mg fast IVP
- Pediatric: 0.1mg/kg, 0.2mg/kg
Mechanism of action.
Amiodarone
Inhibits Na(+) and K+ channels and delays repolarization.
Indication:
Amiodarone
- V-Fib
- V-Tach
Adult and pediatric dosage.
Amiodarone
Adult:
- V-tach w/ Pulse: 150mg/10; Infusion 1mg/min w/ conversion
- Pulseless V-tach/V-fib: 300mg, 150mg
Pediatric:
- V-tach w/ Pulse: 5mg/kg/20-60min
- Pulseless V-tach/V-fib: 5mg/kg MAX 300mg; MAX total 15mg/kg
Mechanism of action.
Aspirin
Antiaggregate
It stops platelets from clumping together
Indication:
Aspirin
chest pain/STEMI
Adult and pediatric dosage.
Aspirin
- Adult: 160-325 mg PO
- Pediatric: N/A
Mechanism of action.
Atropine
Acetylcholine antagonist
Indication:
Atropine
- Bradycardia
- Pediatric RSI
- Organophosphate poisoning
Adult and pediatric dosage.
Atropine
- Adult: 1mg Q 3-5 min
- Pediatric: 0.02 mg/kg
Mechanism of action.
Calcium Chloride
Increases cardiac contraction.
Inotropic effect
Indication:
Calcium Chloride
- Hyperkalemia
- Hypocalcemia
- Calcium channel blocker/beta blocker toxicity
Adult and pediatric dosage.
Calcium Chloride
Adult: Hyperkalemia & Toxicity: 500-1000mg
Pediatric: Hyperkalemia & Toxicity: 20mg/kg MAX 1G
Mechanism of action.
Diltiazem
calcium channel blocker
Blocks calcium influx during depolarization.
Indication:
Diltiazem
Atrial Fibrillation/Flutter
Adult and pediatric dosage.
Diltiazem
Adult: 0.25mg/kg; 0.35mg/kg MAX 20mg, 25mg; Infusion: 5-15mg/hr
Pediatric: N/A