Hyperkalemia

When you have a slight depolarization at baseline, right, that resting member potential has gone a little bit closer to zero. That leads to inactivation of some of these sodium channels and the membrane actually becomes less excitable. And we see this by the quote unquote V max. That's the like the velocity of increase in phase two, like just how quick that moves up. In hyperkalemia, when it's severe, remember that you see that wide in QRS complex. The medicine is a little bit messy and I think this is one of those situations. It fits with what was sort of burned into my brain during critical care fellowship was if you see something that looks