PPT-Therac

25 CS4001 Kristin Marsicano Therac25 Overv iew What was the Therac 25 How did it relate to previous models In what ways was it similardifferent Was the Therac25 reliable Therac25 Overview. The Therac-25 Incident. The Therac-25 Incident. Worst series of radiation overdoses in over 35 years.. 6 known incidents between June 1985 and January 1987.. Resulted in 3 deaths and 3 cases of severe radiation related injuries.. Computingcases.org. Safeware. In this case…. you will practice decision-making from the participatory standpoint. learn how to make decisions in the face of uncertainty. Uncertain whether the patient complaints indicate radiation overdoes. Exploring Electrical Engineering. Chapter 8. Technology Disasters. Herbert G. Mayer, PSU. Status . 2/11/2016. Syllabus. Case Histories. WW III Almost. Medical Killing Machine. AT&T Line Goes Dead. and. Due Process:. Transparency in. Expert Software Systems. AAFS 2016. By. Nathan Adams – . Adams@Bioforensics.com. Dan . Krane. – . Dan.Krane@Wright.edu. Financial disclosure. Employees of Forensic . You work at the East Texas Cancer Center in Tyler, Texas as a physicist who “maintains and checks the machine regularly.” (Huff 2005). Patient complains of “a bright flash of light, heard a frying, buzzing sound, and felt a thump and heat like an electric shock.” (Huff 2005). Not covered . in textbook. Computer errors. A range of possible consequences. Seconds lost. Data lost. $ - $$$. Injuries and deaths. Examples:. Disfranchised voters. False arrests. Price & billing errors. Computingcases.org. Safeware. Start with what was known…. Therac-25 is a medical linear accelerator for use in treating cancer.. At four of the hospitals using this machine, a series of mysterious complaints developed. Transparency in. Expert Software Systems. AAFS 2016. By. Nathan Adams – . Adams@Bioforensics.com. Dan . Krane. – . Dan.Krane@Wright.edu. Financial disclosure. Employees of Forensic . Bioinformatic. The Therac-25: A Software Fatal Failure Kpea, Aagbara Saturday. SYSM 6309 Spring ’12 UT-Dallas What is the Therac-25 ? The Therac-25 was a medical linear accelerator, used to treat cancer patients to remove ,. and . Risk. What We Will Cover. Failures and Errors in Computer Systems. Case Study: The Therac-25. Increasing Reliability and Safety. Dependence, Risk, and Progress. Failures and Errors in Computer Systems.