I'm reading a chapter in my book about F&E, and even ordered fluid and electrolytes made easy and the fluid & electrolytes demystified book, but it seems like all of the symptoms of K, ca, mg, ect seem very similar. (Vomiting, fatigue, muscle cramps, cardiac dysrhythmias). Is there any way to make this information stick? I know the normal values but I'm having a hard time understanding the symptoms apart since they all share the same symptoms. How are other nursing students out there remembering this? Any tips?Thank you.