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']
(..) his family. Chief. Dave's hurt really bad. Get somebody up there to see him. Rone, we need you in medical immediately. Over. Rone's not with us anymore. Oz, how can I help? Get me to medical. (..)2016 13 Hours
(..) You need to assure me that those people are safe. They're gonna secure our exit and escort us out of here. Call them right now, immediately. I want all heads of department over here. And I want a fucking war room. We're gonna make our finalized plans. Now, listen, listen. (..)2016 13 Hours