CET Quality Control & Process Improvement 3

Question 1

A fishbone (Ishikawa) diagram is used in echocardiography QI to:

Accepted Answer

Identify and categorize potential root causes of a quality problem

Answer

An Ishikawa diagram organizes brainstormed causes of a problem into categories (e.g., people, process, equipment, environment) to facilitate root cause analysis.

Question 2

Which action best demonstrates adherence to ASE guidelines for image documentation in a standard transthoracic echocardiogram?

Accepted Answer

Obtaining a complete set of standardized views including all required measurements

Answer

ASE guidelines specify a minimum set of required views and measurements to ensure comprehensive, reproducible transthoracic echocardiographic examinations.

Question 3

Inter-observer variability in echocardiographic measurements is BEST reduced by:

Accepted Answer

Standardizing measurement protocols and providing regular training

Answer

Standardized protocols with defined measurement techniques and regular training are the most sustainable and scalable approaches to reducing variability across multiple readers.

Question 4

In the context of echocardiography QC, 'accuracy' refers to:

Accepted Answer

How closely a measurement reflects the true value

Answer

Accuracy describes the degree to which a measured value agrees with the accepted true or reference value, distinct from precision which reflects reproducibility.

Question 5

A lab's QI team identifies that 80% of incomplete studies result from just 3 of 15 identified causes. Which tool most directly supports this finding?

Accepted Answer

Pareto chart

Answer

A Pareto chart displays causes ranked by frequency, visually demonstrating the 80/20 principle that a few causes account for the majority of problems.

(CET) Certified Echocardiography Technician Practice Test

(CET) Certified Echocardiography Technician Practice Test

CET Quality Control & Process Improvement 3