6 mg/2 ml and 12 mg/4 ml vials and pre-filled syringes (for rapid IV bolus)

Executive Summary

(August 29, 2023)

Adenosine is an endogenous nucleoside present in all human cells. It is categorized as a so-called “class V” or “miscellaneous” antiarrhythmic agent, as it does not meet the criteria for inclusion in antiarrhythmic classes I, II, III, or IV.

Adult dose for paroxysmal supraventricular tachycardia (7, 8, 13, 14)

“6-12-12 mg”


Adult dose

Adult dose for paroxysmal supraventricular tachycardia (7, 8)

“6-12-12 mg”


Pediatric dose

Pediatric dose for paroxysmal supraventricular tachycardia (7, 9)

“0.1-0.2-0.2 mg/kg”



Other uses of adenosine in the ED

Mechanism of action and pharmacology

Regular narrow QRS complex tachycardia

Paroxysmal supraventricular tachycardia

PSVT treatment effectiveness summary

Guidelines recommendations

Acute therapy of narrow QRS tachycardia in the absence of an established diagnosis (10). 


Pregnancy and lactation


Pregnancy risk classification



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