patient safety

Read the following article and view the video on the same case. How can this example be used as an illustration of maintaining patient safety and providing safe, effective care? Identify some of the possible barriers that nurses face when acting on what they believe to be the morally correct action in this particular case. 

https://www.cpr.org/2015/02/17/for-colorado-mom-story-of-daughters-hospital-death-is-key-to-others-safety/