MX is on an ACEI for HF and her K is 5.6 currently. What does that mean? PC3 MX is on an ACEI for HF and her K is 5.6 currently. What does that mean? A) keep the dose the same B) 1/2 the dose C) discontinue Answer: 1/2 the dose Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+