Healthy physical activity and exercise should get your heart pumping. The American Heart Association suggests pacing yourself and staying within your target heart rate during exercise to maintain the maximum benefits of the workout. A rapid heart rate during exercise might mean you are working at an intensity level that is too high. On the other hand, it might be an indication of a health condition. See a physician before continuing any exercise routine if you are worried about your heart rate.
Target Heart Rate
Maximum heart rate is the hardest and fastest your heart can beat without going into fibrillation. Your target heart rate when exercising should be between 50 and 85 percent of your maximum heart rate. To calculate your maximum heart rate, subtract your age from 220. So, for example, a person who is 50 years old will have a maximum heart rate of about 170 beats per minute. His target heart rate, therefore, would be anywhere between 85 and 145 beats per minute. Keep in mind, however, that certain medications can lower your maximum heart rate, so make sure you speak with your physician if you are taking any medications.
High Intensity Workouts
Some workouts are created with the intention of getting your heart rate to increase dramatically during exercise. Called a high intensity workout, your body works harder and burns more calories in a shorter period of time than if you were engaging in a low intensity workout. During a high intensity workout, your heart will beat very rapidly. As long as you stay within your target heart rate range, though, this type of exercise is acceptable.
Bounding Pulse
A bounding pulse occurs when a heart beats forcefully and strong. It can happen on its own or be paired with a rapid heart rate. When paired during exercise, the bounding pulse and rapid heart rate may simply be the result of the exercise itself, though it might also be from anxiety, fever, pregnancy or problems with your thyroid. You should contact your doctor if your pulse feels too strong or too fast, especially if you feel any other symptoms of discomfort. Your doctor will be able to make sure your heart is healthy enough to engage in physical activity.
Heart Palpitations
You might also be concerned if you experience heart palpitations. Palpitations feel like your heart skips beats, flutters, beats too fast or works too hard. Accompanied by dizziness, shortness of breath, pain or fainting, this could indicate a serious condition. Intense exercise, caffeine, extreme stress or nicotine can cause heart palpitations, but so can a problem with your thyroid or an abnormal heart rhythm.
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