If the first adenosine dose fails to terminate SVT, what is the next recommended step?

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Multiple Choice

If the first adenosine dose fails to terminate SVT, what is the next recommended step?

Explanation:
Adenosine dosing guidelines allow a second rapid IV push when the first 6 mg dose does not terminate SVT. The next step is to administer a 12 mg rapid IV push. Adenosine acts very quickly to briefly block AV nodal conduction, which is why a second dose is given promptly in hopes of interrupting the reentrant circuit or AV nodal-dependent SVT. If the SVT persists after the second dose, proceed with alternative management per protocol (such as synchronized cardioversion if the patient is unstable, or other antiarrhythmics as indicated).

Adenosine dosing guidelines allow a second rapid IV push when the first 6 mg dose does not terminate SVT. The next step is to administer a 12 mg rapid IV push. Adenosine acts very quickly to briefly block AV nodal conduction, which is why a second dose is given promptly in hopes of interrupting the reentrant circuit or AV nodal-dependent SVT. If the SVT persists after the second dose, proceed with alternative management per protocol (such as synchronized cardioversion if the patient is unstable, or other antiarrhythmics as indicated).

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