If the adenosine is not effective in terminating a regular narrow complex tachycardia, the Paramedic should consider using a(n) ____.

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Quizplus · Accepted Answer

If adenosine is not effective in terminating a regular narrow complex tachycardia, the paramedic should consider using a calcium channel blocker such as verapamil or diltiazem. Beta/adrenergic blockers may be used with caution in stable narrow complex tachycardias, but are contraindicated in patients with evidence of heart failure or hypotension. ACE inhibitors and alpha blockers are not typically used in the acute management of tachycardias.

If the Adenosine Is Not Effective in Terminating a Regular