The blue bag of chips in the vending machine, second from the top and second from the right, changes position between shots where John says, "Yes, thank you" and the next shot of it after Sarah says "John." The bag of chips then falls down when John says, "What's wrong."
The patients in the clinic are not clothed in patient garb; they are wearing martial arts outfits.
At 36:35 Sarah breaks off her patient bracelet with only her hands as if it was a snap-on bracelet. Law requires patient bracelets in all US medical facilities to be of the sort that must be cut off with a sharp object such as a knife or scissors. This is so a patient cannot lose their identification bracelet during treatment while in the facility, which could result in misidentifying a patient which could lead to incorrect treatment.