In my limited experience, CVICU's hold the sickest of the sick but to echo the sentiments above it is very specialized. Nearly all of the patients you encounter in the CVICU are going to be patients born with congenital heart defects. The road is long and the prognosis isn't always good. I am of the belief that if you can hang in there in a CVICU, you are likely able to do anything. Assessments are ongoing, they don't follow a Q4 cares schedule. Its not uncommon to have patients so ill that I literally follow a "no touch" policy as closely as possible.