Correct me if I am wrong, but my lame understanding (I am not in medical field) is that dialysis is what you do when someone's kidneys are failing. It's a procedure whereby the blood is filtered of toxic elements and fresh blood is infused. Not doing dialysis to someone who truly needs it is an equivalent of killing them, since no one can survive for long if their kidneys are failing. Wouldn't it, by definition, be an emergency? Would the PR be turned away from ER upon third visit, when they had to get dialysis?
Suppose I am a PR and destitute/homeless, don't have any money to pay for medical services. Now, we have a team of lawyers working for each hospital here and they are happy to sue anyone with an outstanding balance over $500.00. But what do you think happens when they sue homeless man (supposing they can serve him through some relative)? They surely win the case in court, but then they collect nada, zilch, zero. There is nothing to collect from someone who doesn't have assets/any means to pay. And the homeless man can go back to ER 365 times a year: if he has an emergency the hospital will have no choice but to serve him. It's a law.
Is it any different in Canada? If it is , please share that information here, it's important one (which would also show how third-world mentality rules and it is just a "dog eat dog world" there for destitute people in dire need of ER care, or PRs who don't yet qualify for state sponsored coverage).
As to qualification, I know it doesn't take ages to qualify for coverage in Alberta. In Ontario there is longer wait period and there are obnoxious bureaucrats who deny coverage to PRs with COPR, if they don't have a valid PR card. Therefore I suggested that OP's spouse could travel to and stay with her daughters in Alberta.
But let's leave the OP's case aside for a second and inquire about hypothetical: what if perfectly healthy and self-sufficient Canadian lives in Alberta, has a full medical coverage and then one day develops medical condition that is life threatening, unless regularly treated. What happens if such person decides to move to Ontario? Is that person denied medical coverage in Ontario (until he resides there long enough) , and denied any medical coverage in the interim, unless he pre-pays for those services? How chronically ill people move around Canada and maintain coverage? Are they confined to province where they already have it?
P.S. I don't make assumptions about what OP and wife intend to do. I just noted that daughter lives in Alberta and she could stay there until her medical coverage issues are settled.