My HE went to the Coma stage twice. Once after I was misdiagnosed as a stoke case in Las Vegas, before they found my HE, and the second time a year later, near when I was completing the testing for a transplant. They moved me from Las Vegas to Phoenix without me knowing until a day later when the Mayo stabilized me. It still took days for me to answer simple questions. Everyone should stay with it. I'm now doing fine after receiving my transplant. It will be worth the effort. Rest and keep your spirits up, for there are highly trained professionals at these major centers that deal with all situations daily.