If there is no help available, and I mean no help whatsoever for hours, what are the chances of forcing air into the patient?
I'm aware that sometimes it's the discharge of air that is more difficult, but even so, I would try very hard to force air in and out while monitoring pulse.
Surely, even the most dire seizure would allow some air past.
During this time I would try to tell the patient that nomatter how bad it gets, I'm not going to let them die. I might just have a couple of fingers crossed while I was saying this.