Oh, absolutely. And if you can get them to not-disagree, it's a lot easier.

If they're clearly disoriented or confused, I'd think I should do it (and might actually do it).

Heart attack times are long partly because they sometimes present in non-standard ways, especially in women (which is to say the "standard ways" appear to be rather sex-biased).

It's not just embarrassment at stake, it can be money, too, depending on how things are done in your community I guess.