My mother has disowned me , but keeps falling sick?

My mother has been cruel and mistreats me and recently fell sick twice... one with CHF and pneumonia... she was in the ICU a week and got out almost 2 weeks only to land back in the ICU with a small blockage in the brain as of today.. I don't know how to deal with this situation - she disowned me and told me she would never have a mother- daughter relationship with me.. she's resented me since birth.. she's turned everyone against me. Am I wrong for not caring or showing up at the hospital to visit her? I'm in the process of moving for work related , but came home to tend to my family because they were sick. ( My career requires me to travel...) The surgeon was going to go in her brain , but the blockage is small... how to deal with this situation?

Advice how do you deal with a toxic sick parent?
My mother has disowned me , but keeps falling sick?
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