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In This Article When to See a Doctor You may expect an elevated heart rate when you're exercising, but if you feel like your heart is beating out of your chest for no reason, well, that can be concerning. Some causes of a high resting heart rate are relatively harmless, while others are potentially life-threatening and require medical attention. Here, Nikolaos A.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
