Which of the following is not a primary use for Adenosine?

Adenosine is primarily used in the management of certain types of tachyarrhythmias, especially supraventricular tachycardia (SVT). Its mechanism works by temporarily slowing down or interrupting conduction through the AV node, which can help reset the heart rhythm back to normal.

The first option, SVT management, aligns with the established purpose of adenosine, as it is often the first-line medication used for converting SVT back to normal sinus rhythm. Similarly, adenosine is used in cases of tachyarrhythmia of uncertain origin, providing a diagnostic tool to distinguish between different types of tachycardias based on their response to the drug.

Adenosine's effect on the AV node makes it useful for creating a disruption in AV nodal conduction, which aids in the treatment process when addressing certain arrhythmias.

On the other hand, its role in the termination of atrial fibrillation is limited and not considered a primary use. Adenosine may have some effect on atrial fibrillation by temporarily slowing the heart rate, but it does not terminate this arrhythmia effectively or as a standard treatment approach. Therefore, while it can be used in the context of atrial fibrillation