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Sinus Tachycardia

A harmless rhythm, sinus tachycardia is a normal increase in heart rate that happens with fever, excitement and exercise.

It rarely requires treatment aside from treating the underlying problem, such as anemia, infection, or hyperthyroidism. Rarely, the sinus node can cause the heart to beat faster than it should without any underlying cause. If symptoms result, the condition is known as “inappropriate sinus tachycardia,” and some treatment options are available.

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Sinus Tachycardia