Regular SVT algorithm

Identify and treat underlying cause
• Maintain patent airway; assist breathing as necessary
• Oxygen (if hypoxemic)
• Cardiac monitor to identify rhythm; monitor blood pressure and oximetry
• IV access
• 12-lead ECG, if available

Continuous 12 lead EKG recording.

Vagal Maneuver  [e.g. Carotid Massage]                             

Check BP

Adenosine 6 mg IV

Check BP

Adenosine 12 mg IV

Check BP

Amiodarone 150mg IV or


Consider expert consultation

Check BP


Cardiovert anytime if Persistent tachyarrhythmia causing:
• Hypotension?
• Signs of shock?

• Ischemic chest discomfort?
• Acute heart failure?

• Acutely altered mental status?


Tip to remember: VA6A12A150Cv

V-Vagal Maneuver

A6-Adenosine 6mg

A12-Adenosine 12mg

A150-Amiodarone 150g IV over 10min



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