Medical News Today: Sinus tachycardia: Everything you need to know

Treatments for sinus tachycardia vary depending on the underlying cause, but they usually involve a combination of lifestyle changes, medication, and, in very rare instances, surgery.

Doctors address the underlying cause or condition when treating normal sinus tachycardia and do not often treat the tachycardia itself. Treating IST can be more challenging.

Treatments for sinus tachycardia may include:

  • reducing caffeine intake
  • quitting smoking and avoiding other sources of nicotine
  • exercising regularly
  • drinking enough water
  • consuming less than 2,300 milligrams of sodium per day

Sinus tachycardia is usually a benign condition, but if it is persistent, it can lead to weakness of the heart over time. Doctors refer to this as tachycardia-induced cardiomyopathy. Sometimes, a doctor may prescribe medications, such as beta-blockers, calcium channel blockers, or ivabradine, to reduce the heart rate and treat symptoms.

In a small clinical study, researchers gave people with ITS ivabradine twice a day for 6 months. Ivabradine reduced the participants’ average daytime heart rate from 103 bpm to 84 bpm.

A doctor may recommend more invasive forms of treatment, such as catheter ablation, for people with IST who do not respond to lifestyle changes or medication.

Catheter ablation delivers heat to the portions of heart tissue that cause rapid or irregular heartbeats. This procedure can help return the heart rate to normal. However, every procedure has complications, and people may still experience recurring tachycardia after catheter ablation.

People can discuss the risks and benefits of catheter ablation with a doctor.

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