There are many interior and exterior factors that can cause your heart rate to fluctuate. While emotional or physical exertion will speed up the pulse; certain types of illness or disease can cause it to slow down dramatically. Most of the time, you probably don’t even realize that the following ten factors influence your heart rate…
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When the body’s immune system becomes compromised—for example, with fever, injury, anemia, or infection—changes in heart rate can occur. Particularly if septic shock sets in, the heart rate will naturally quicken to meet oxygen demands.