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It depends on whether or not it is a normal fast heartbeat like when you have been exercising or if it is run away fast because you have a problem. If it is fast due to just normal activity you can sit down and literally think it slower as your oxygen level comes back to normal. If you have a run away heartbeat due to a problem with your hearts electical system you need to see a doctor. They can control it with medication or, in some cases, what is called an ABLATION THERAPY where they go in through a vein in your leg and actually adjust your heart rate. If you have any doubt at all see a doctor before something bad happens.

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14y ago

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