Ideas that seem to cancel each other out or make no sense in connection to each other are one of my favorite ways that writing can be used to create intense or even jarring imagery that makes us feel emotions we may never even have thought of. I honestly have a lot of these, but their scattered throughout the story so I'll share them as I re-find them:
I hear everything and nothing. I see him, but barely. The shouting choir in my head drowns out reality - anxiety blurring sight - blurring life. I’m listening too intently to the silence blaring from my cell phone, and it’s so piercing that I think I might lose my mind.
_The pen keeps on tapping, and the room descends into vibrant shades of gray. _
I grit my teeth against the darkness trying to ooze in at the edges.
The expression on his face is frighteningly angelic as a burly nurse gently yanks the long tresses back from his forehead to reveal a river of blood.