I think what you did was in the best interest of the patient, but the rub is that you are acting as an agent of your employer, and cannot recommend therapies they do not approve.
In the future, go back after you have clocked out and hand them the article, but let them know you are not an expert, just exploring options. I would go so far as to request they not mention where they found the article.
If I didn't trust the family to respect my privacy I would leave the responsibility for research of alternative therapies up to them. A tip I've found helpful over the years...if I'm working harder than the patient/family on their health I'm overinvested. Still happens sometimes though.
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