Health Care Power Of Attorney Form 1. Life-sustaining treatment means any health care, including artificially or technologically supplied nutrition and hydration, that will serve mainly to prolong the process of dying.2. Terminal condition or terminal illness means an irreversible, incurable and untreatable condition caused by disease, illness or injury. Your physician and one other physician will have examined you and believe that...... Similar Editorial : General Power of Attorney by Kent Pinkerton. | Source : Estate Planning Services