Your selected proxy can be your family or friend located in Canada. In other words, your proxy is not required to be present in Nevada or the US to be named and to help you in times of need. They, however, need to be an adult, and we recommend have common sense.
The above discussion gives you a good idea of large scope of authority you can grant someone you trust to look out for you when you cannot. If we meet to discuss DPOA-H, I will be happy to discuss other advantages for you.
While this Nevada form is easily found on the web, its proper execution and implementation are not so easy when you have pre-existing healthcare directives in Canada. Special care needs to be given to not revoke your Canadian documents. Your DPOA-H should be drafted to only protect you while in Nevada or US. Except for describing how you want your body handled after death, the authority your proxy has ends at death of the principal.