Is Sinus Tachycardia Serious?

In some situations, sinus tachycardia is completely normal. For example, sinus tachycardia is expected during strenuous exercise or after being startled. Other things that can cause sinus tachycardia include: anxiety or emotional distress.

When should I worry about sinus tachycardia?

An isolated occurrence of sinus tachycardia in response to an identifiable trigger may not require medical attention. However, if you experience an elevated heart rate regularly, contact an Oklahoma Heart Hospital physician for an appointment.

Is sinus tachycardia a serious heart condition?

In some cases, tachycardia may cause no symptoms or complications. But if left untreated, tachycardia can disrupt normal heart function and lead to serious complications, including: Heart failure. Stroke.