You can hear for yourself what went on.
There is audio tape out there that AH recorded herself in Australia just after the incident, without the knowledge of all other parties. It proves that AH's testimony is a total act of fiction, but unfortunately it wasn't allowed into evidence.
AH normally took 25 seroquel, the Dr. and nurse were talking about giving her 50-100, but ultimately she only took her usual 25. Ben King ended up flying back with her. They initially discussed sending someone with her who couldn't be manipulated, possibly someone bigger (in case she kicked off again). Let that sink in for a moment. It's important to realize that "glassing" is a serious offense in Australia. If they had not covered for AH to the police, she might have ended up with a lengthy prison sentence. Hence the need to send her back to the US immediately.
She can be heard stomping around in her high heels after claiming her feet were shredded with glass. There is no discussion of any of her claimed injuries. In fact she initially enters the conversation helping to look for Johnny's finger in the trash.
Just go find and listen to all of the secret audio tapes. All you need to know about the dynamics of the relationship are in there and Australia, in particular, is eye-opening.