I wouldn't be surprised if this topic has been covered in another post. But after cursing at my phone trying to find a search bar I finally admitted defeat and decided to start a new one. What are the differences between the two, what kind of doors does this open if I should get this credential, is their much of a pay difference, what kind of pre-requisites do I require before I can attend such a class, how long is the class, and what are the advantages to acquiring my Critical Care