Bitcoin can't fix that because Bitcoin is not designed for that bidding unless of course some Bitcoin whale donate a huge amount for Pharma R&D. There are other Blockchain technology that is focusing on pharmaceutical stuff such as protein folding and gives incentive to the hash power everyone put in. There are other kinds of Health related cryptocurrency that gives incentive if you participate but I don't know if it can helps you with financing your gf's treatment.
To those who are not familiar with protein folding you can check this article[1] for a detailed information.
There are blockchain project that supports protein folding and gives incentives to its participants.
Example:
FoldingCoin
CureCoin
This blockchain project had been around for years now.
There is also some health-related company that uses cryptocurrency[2] as incentives for their participants.
[1] Protein Folding and Processing
[2] https://www.mobihealthnews.com/content/10-digital-health-companies-using-cryptocurrency-incentives