Medical Malpractice Relating to Mental Health Professionals. Medical Malpractice Relating to Surgical Errors.These instructions are intended to apply to cases involving fiduciary duties. The tort system essentially requires that victims receive full compensation for proved harm. Find out which states have tort reform. Tort cases in Arizona are civil cases involving legal disagreements between entities such as individuals, businesses, corporations, or partnerships. Plaintiff sued Costco alleging negligence, breach of fiduciary duty, fraud, negligent misrepresentation, intentional infliction of emotional distress. Among the diverse landscape of tortious acts, a prominent category emerges in the healthcare realm: medical malpractice. The Restatement of Torts includes four separate torts in the classification of the Right to. Generally, there are two main types of damages that victims of medical malpractice get in Arizona: economic and non-economic damages.