Atropine is the drug of choice to treat sinus tachycardia.

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Atropine is not the drug of choice for treating sinus tachycardia. Sinus tachycardia is usually caused by physiological factors such as exercise, anxiety, and fever. If the tachycardia is causing symptoms, it is important to identify and treat the underlying cause. In some cases, medications may be used to slow the heart rate, but atropine would not be the first-line treatment. Atropine is used to treat bradycardia (a slow heart rate).

Atropine Is the Drug of Choice to Treat Sinus Tachycardia