Determination in Pullman death

After completing the investigation into the Dec. 19, 2016, unattended death of Kristine M. Mason-Rock, 48, at her residence in Pullman, County Coroner Peter Martin reported Dec. 22 the cause of death was determined to be a massive pulmonary embolus with respiratory failure. The manner of death was determined to be accidental. The decedent had recently undergone an uncomplicated surgery. A pulmonary embolus is a recognized risk factor for many surgeries, Martin added.