Lecture 3: Systematic Causes of Error
Goal: Understand how system-related factors contribute to diagnostic errors
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Lecture 3 Pretest

System-related errors are commonly caused by:

  1. Faulty processes
  2. Lack of knowledge
  3. Cognitive biases
  4. New technology

Which of the following is a system-related cause of diagnostic error?

  1. Hindsight bias
  2. Alliterative error
  3. Case complexity
  4. Workload

According to Siewart et al., which of the following is an intervention that can reduce diagnostic errors related to missed lymphadenopathy?

  1. Dose reduction
  2. Bladder opacification
  3. Bowel opacification
  4. Arterial phase of enhancement

A patient undergoes surveillance imaging after nephrectomy for renal cell carcinoma (see image below). The interpreting radiologist misses a new lung nodule on the first slice of the CT abdomen and pelvis study. Which of the following best describes this type of miss?

  1. Satisfaction of search
  2. Framing bias
  3. Availability bias
  4. Edge of the film error

Blind spots are areas where lesions are most commonly overlooked. Which of the following is considered a blind spot in abdominal CT imaging?

  1. Liver capsule
  2. Lung bases
  3. Paraspinal region
  4. Ovaries
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