That's true as well, fortunately(?) it's much harder to get to cardiac issues with hypokalemia than hyperkalemia (most commonly I see it in anorexics). Most ca

That's true as well, fortunately(?) it's much harder to get to cardiac issues with hypokalemia than hyperkalemia (most commonly I see it in anorexics). Most causes of low potassium are side effects of medications, or short term losses from diarrhea or vomiting. There are some people with genetic causes of excess urinary potassium losses but it's pretty uncommon.