"a judge named the organization Family Eldercare as a temporary guardian and that organization approved the doctor’s order" -- Ah. that explains everything and shows once again, why everyone needs advance directives and to formally appoint a trusted family member as their legal guardian in the event of a medical emergency.. Your guardian must have both legal and MEDICAL power of attorney. This "appointment" requires a competent attorney, witneesses, and a notary.

Do NOT try this at home with some half-witted "do it yourself" law-kit. Yes, lawyers cost money and (as I found first hand) it's worth every penny -WHEN- your family member needs it. It's astounding how dramatically how quickly doctors stop throwing their weight around when the law isn't on their side. Literally, it's like turning off a switch.