Some Back Story and Updates

For those that have not gotten the whole story:
A few weeks ago, mom called her friend at work because she wasn't feeling well, and she didn't think she would be able to make it into the store. She described what she was feeling to this friend. Her friend, D, told her to call 911. Mom did, and the EMS showed up. D also drove over to mom's house. When D got there, mom was unsure of whether she should go with the EMTs because they said that her vitals were fine. As EMS was getting ready to leave, my mom went into cardiac arrest.
She had 100% blockage of the main artery to the heart that is "loving" nicknamed "the widow maker." The EMTs had to fibrillate her 3 times on the way to the hospital (It's about a 5-7 minute drive there from her house.) After arriving at the hospital, 3 stints were put in as well as a balloon to help her heart pump. She was originally given anticoagulants due to the stints however, they found a large hematoma (bruise) on her liver. Therefore, the blood thinners were stopped in fear that she may bleed internally. During this time, she also had a seizure and bit her tongue. She was on a respirator and an NG tube.
A couple days later, she was moved to the ICU from the cardiac care unit. She has since received a tracheostomy and the repirator is attached that way. She kept biting holes in the tube when it was in her mouth and down her throat. Earlier this week, she also had a PEG/G tube put in place, and the NG tube has been removed.
As of this morning/afternoon, she seems to be focusing on us with her eyes occasionally. She also smiles frequently. However, it is difficult to tell if this is similar to an infantile glee or a communicative intent. I am, of course, hoping for the latter. She was beginning to look like the Stay Puff Marshmellow Man with all the swelling in her hands and feet; however, that seems to have almost completely subsided. I am hoping to talk to a neurologist soon as well as other doctors, and will post an update once I have one.
Thank you all for your thoughts and prayers.