SAN FRANCISCO - The First District California Court of Appeal on Oct. 17 affirmed a trial court's decision to deny arbitration in a medical malpractice action involving the death of a nursing home resident, agreeing that the patient's son did not sign key portions of an arbitration agreement (James Nagel v. Napa Nursing Center Inc., et al., No. A134947, Calif. App., 1st Dist., Div. 1; 2013 Cal. App. Unpub. LEXIS 7471).