Depending on the condition of the patient and the specifics of the palliative care prescribed, that's exactly what happens. Just using morphine minus the extra

Depending on the condition of the patient and the specifics of the palliative care prescribed, that's exactly what happens. Just using morphine minus the extra additves used to make heroin. Add pure oxygen to the mix and I'm not sure the patient notices much of a difference - they're high as a kite regardless.