How to Avoid Cardiac Arrest On Long-Distance Running Events

Occasionally you hear that runners die during a long distance race, such as a marathon. A possible reason for that could be potassium loss. The heart muscle is a self-exciting tissue, it needs both sodium and potassium for proper functioning. A severe arrhythmia and even cardiac arrest can result from potassium depletion, as the heart muscle cannot contract without potassium. Some runners take salt before a race on a hot day, but supplementing with sodium alone is not enough, one can have enough sodium in his system, but still go into cardiac arrest because of potassium depletion. If you are an active runner, it is very important to supplement with potassium on a regular basis, especially during a hot season.



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