According to a study by HealthGrades, the most frequent cause of patient safety incidents is a failure to rescue, which is caused by a delayed, missed, or incorrect diagnosis. The Journal of the American Medical Association states that misdiagnosis incidents occur in about 150 cases out of every 1,000. In a survey of 6,000 doctors, 96 percent believed these errors are preventable. There are several steps that a patient in Nevada can take to increase the likelihood of a full recovery.