I reckon you made overall good choices. The religio-politics can be sorted out at the hospital. His wife was distressed and he was spouting dodgy nonesense. I always check the 'risk' by predicting the headlines tomorrow : "Man left by FRU paramedic to kill himself" - the potential indicators were there; you were making nothing up and your actions did not incarcerate him for the rest of his life... but they may have given him the rest of his life.