The cause of the problem was not 'immediately' clear. [=is was not known right away]
They live in the house 'immediately' [='directly'] behind this one.
We need to leave 'immediately'. [='at once', 'right away']
(..) ...that the best way to be at his side is to serve my country. "And I can serve it better in Germany than in a waiting room. If there's an emergency, I'll return immediately..." ...but I have the utmost faith... "...in the medical team at Jefferson Memorial." I'm praying for a successful procedure, (..)2016 TvShow: House of Cards Title: Chapter 45 Season: 4 Episode 6