When Owen is telling Cristina who her patient really is, the tube is Henry's mouth is alternating to be connected to and disconnected from the machine between shots.
When Meredith is talking to Derek on his cell phone and the call gets disconnected, a dial tone sound is heard followed by a busy signal then the call disconnects. Cell phones do not have dial tones after being disconnected.
When Hunt goes to get Christina to perform Henry's surgery she says she is practicing for a procedure from her bucket list that she is gonna perform the next day, is highly unlikely that Teddy had the time to get her any procedure from that list because she just finished writing it a few hours before with the help ob Heart in the box.
When Lexie is giving Cristina Henry's oral patient history she says he is a 35-year-old male. However, shortly after they are married in season seven, Henry tells Teddy that he is 42.