Adenosine for Termination of Supraventricular Tachycardia (SVT) Calculator – IWK Drug Information Resource

Neonatal Dosing/Administration Calculator Tools

Adenosine for Termination of Supraventricular Tachycardia (SVT) Calculator

Date Wednesday, June 10, 2026

Code Status Reviewed Yes No

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Give initial dose (Dose #1). If not effective within 1–2 minutes, increase dose by 0.05 mg/kg increments every 1–2 minutes until termination of SVT as outlined below.

Adenosine, Dose #1 (0.1 mg/kg)
Dose
Concentration
Volume
Notes/Admin Instructions	IV direct over 1–2 seconds. Give at IV site closest to heart. If not effective within 1–2 minutes, increase dose by 0.05 mg/kg increments every 1–2 minutes until termination of SVT as outlined below.

Adenosine, Dose #2 (if first dose ineffective) (0.15 mg/kg)
Dose
Concentration
Volume
Notes/Admin Instructions	IV direct over 1–2 seconds. Give at IV site closest to heart. If not effective within 1–2 minutes, increase dose by 0.05 mg/kg increments every 1–2 minutes until termination of SVT as outlined below.

Adenosine, Dose #3 (if second dose ineffective) (0.2 mg/kg)
Dose
Concentration
Volume
Notes/Admin Instructions	IV direct over 1–2 seconds. Give at IV site closest to heart. If not effective within 1–2 minutes, increase dose by 0.05 mg/kg increments every 1–2 minutes until termination of SVT as outlined below.

Adenosine, Dose #4 (if third dose ineffective) (0.25 mg/kg)
Dose
Concentration
Volume
Notes/Admin Instructions	IV direct over 1–2 seconds. Give at IV site closest to heart. If not effective within 1–2 minutes, increase dose by 0.05 mg/kg increments every 1–2 minutes until termination of SVT as outlined below.

Adenosine, Dose #5 (if fourth dose ineffective) (0.3 mg/kg)
Dose
Concentration
Volume
Notes/Admin Instructions	IV direct over 1–2 seconds. Give at IV site closest to heart. 0.3 mg/kg/dose is the maximum recommended dose.