She was suffering from arrhythmia, fainting spells, and potassium deficiency.

她患有心律失常、昏厥和钾缺乏症。

As James DiNicolantonio points out in the Salt Fix, blood pressure increase with a high salt intake can often be explained by a potassium deficiency.

正如 James DiNicolantonio 在《盐疗》一书中所指出的，高盐摄入会导致血压升高，这通常是因为却钾。