Freedom From Pain. By M. Ron Eslinger, RN, CRNA, APN, MA, BCH, FNCH. Ron is THE Expert in Hypnosis for Pain Management! Let him help you Take the HURT out of your pain Now. He has helped thousands and he will help you. This program was created for Chronic Pain Sufferers. Duction to Guided Imagery and Suggestion by Ron Eslinger, RN, CRNA, APN. Pain Management 1.