Adenosine

Question 1

Adenosine Class

Answer 1

Antidysrhythmic, endogenous (internal cause or origin) nucleoside (signaling molecules)

Question 2

Adenosine Action

Answer 2

Decrease electrical conduction through the AV node without causing negative inotropic (force or speed of cardiac muscle) effects

Question 3

Adenosine Indications

Answer 3

Supraventricular tachycardias (SVT/PSVT)

Question 4

Adenosine Contraindications

Answer 4

Hypersensitivity, bradycardia, drug induced tachycardia, 2nd or 3rd degree heart block, A-Fib, A-Flutter, V-Tach, WPW with A-Fib/Flutter

Question 5

Adenosine Onset/Duration

Answer 5

Onset: Immediate
Duration/Half-life: 10 seconds

Question 6

Adenosine Adult Dose/Route

Answer 6

6 mg 1st dose, 12 mg if needed (both rapid IVP) followed by 20cc flush

Question 7

Adenosine Pedi Dose/Route

Answer 7

0.1mg/kg (max 6mg) 1st dose, 0.2 mg/kg (max 12 mg) in 1-2 min if needed, IV/IO followed by rapid IVP 5-10 cc saline flush

Question 8

Adenosine Side Effects

Answer 8

Dizziness, headache, SOB, hypotension, flushing, palpitations, CP, NV