Several health conditions can raise the risk of developing tachycardia. These include high or low blood pressure, heart disease, thyroid problems, diabetes, and sleep apnea. Lifestyle choices also play a role—smoking, drinking alcohol or caffeine in excess, drug use, and chronic stress can all contribute. Some medications can trigger a faster heart rate, and genetics may also increase your risk. If you have any of these risk factors, regular heart checkups are important.

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