When Lou is chatting to "Bonnie" the two braids on her left keep altering from loose to tucked behind her ear when no movement of her hands have been made.
The c-store (Convenience store) has both the private label brands of Walmart's "Equate" and Target's "Up and Up" products on the shelves. The significance of a private label is, those products are only sold in those respective store.
There is no reason for the medical helicopter to be flying with both of it's rear doors open. And, when the patient wakes up, his legs can be seen on top of the backboard's straps, indicating he was never strapped down to it at all.
The helicopter's registration is clearly seen as N437MY, but with the pilot calls in the "mayday", he gives an entirely different registration.