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A 39-year-old member asked:

Could you explain what is potassium chloride and is it lethal?

1 doctor answer1 doctor weighed in
Dr. James Cain
Nephrology and Dialysis 37 years experience
Essential mineral: Potassium (k) is an element, it is actually a metal and forms salts easily, much like sodium. Potassium is essential to the function of muscle and nerves via a biologic system of electrical potentials. When the k level outside the cell is too high your heart stops, when the k level is too low muscles freeze up. K levels are controlled by the kidneys, high k levels are frequent in renal failure.
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Last updated Apr 4, 2016

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