What is your approach to electrolyte repletion for patients hospitalized with cardiac and non-cardiac conditions?  

For cardiac patients, I always aim above 4.0, not at 4.0. I have seen residents giving just 20 mEq for K 3.8. I would ask them if K 4.4 would make a difference, and if we aim higher than 4.0, you won’t need to chase numbers constantly. K>4, not K=4. Other than cardiac, the other conditions...