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What is a Dangerously High Heart Rate During Exercise?


We are all familiar with the process of panting, running short of breath, having an excessively fast heart rate, and a dry mouth during an intense workout. But as soon as our workout session is over, it takes a little while for our body to come back to the normal state. After a few minutes of break, we return back to the normal breathing rate and the heartbeat also slow down.

What Happens During Exercise

When we begin to work out, we breathe heavily, as our body needs a huge supply of oxygen. Apart from that, our muscles need more energy to respond to such exercise sessions. For that, the heart begins to pump faster to provide enough blood and oxygen to every part of the body.

The systolic pressure needed to rush blood to our hands and feet while running or lifting weight increases, as our heart has to put more effort in order to push the blood to those parts of the body. This also means rapid beating of the heart and increased heart rate.

The Zone of Dangerously High Heart Rate During Exercise

No matter, how heavy the work out session is, there is always a healthy limit to the maximum times our heart should beat per minute. If it crosses that limit, that is considered severely dangerous for our life.

Now, the maximum number of acceptable heart rate during exercise depends and varies from one person to another. Age is the most fundamental basis to calculate that. Understanding with the help of an example, all one needs to do is subtract his/her age from 220, in order to find out what should be the highest rate of heartbeat during the exercise.

Thus, for a person of age 40, the maximum heartbeat rate should be 220 subtracted by 40, i.e. 180. If the number is more than that, then, it is a great threat to the person’s life.


A clear list of symptoms indicating that you are trying too hard in the gym includes lightheadedness, a problem in breathing, an abnormal sweating, feeling of fainting, nausea, and pain in the stomach etc.

What to Do About It

If you continuously perform the exercises that push your heart to beat faster than recommended level, there are chances of developing serious heart problems, along with muscular damages, and weakness in the joints.

The first thing one should do is consult a doctor, get himself examined, and find out which work out suits your body and which doesn’t. There are also many devices available in the market, wearing which one can keep track of the heart rate during the exercises.

Once you get to know what doesn’t suit you, avoid those exercises at all costs. Opt for a milder version of that. Change your work out regime into something that is healthier for your heart and doesn’t pose any risk to your life.

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Regards, Sophia
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