I'm just reading this now. I would run and run fast. Too many red flags.
First, is the no actual calls, no facetime, no nothing. Then all of a sudden she wants to meet up at your convention, but suddenly has the worse period in hell. Ya no it doesn't work like that. Why the heck did she send you bloody pictures????? Then a hospital picture of an IV, I'm going to bet this is a guy and in another country who thinks you're an idiot to believe such nonsense.
TBone I know what I do know about you is you are no fool and your spidey sense has to be going off. Do not feel so desperate that you ignore your gut. I would not even wait for her next message. Time to block and move on.