EKG Technician Certification Exam Test and Tips

Preparing for a certification exam like the Certified Electrocardiogram Technician (CET) can be stressful, especially when you want to pass on the first try. It’s absolutely a reachable goal – the National Healthcareer Association (NHA) administered 19,241 CET exams in 2024 alone, with an overall pass rate of 70%.

The best route to success is with focused preparation. This free EKG study guide gets you started with an introduction to the exam, its contents and how to walk in ready to succeed.

What to Expect on Test Day 

The CET exam is a 120-question, multiple-choice exam which scores 100 questions, leaving 20 unscored. Those 20 questions are experimental, meaning the test administrators are trying them out to assess difficulty. 

The test is out of 500, with a score of 390 required to pass. That’s just under 80%. You have two hours to complete the test, and there’s no wrong-answer penalty.

The Key Domains and Topics to Study

To pass the CET exam, you must demonstrate your knowledge across three content domains, each covering related subtopics. They are:

  • Safety, compliance and coordinated patient care: 32% of all questions, covering topics such as HIPAA adherence and infection control best practices
  • Electrocardiogram (EKG) acquisition: 44% of all questions, addressing equipment use, patient preparation and monitoring
  • EKG analysis and interpretation: 24% of all questions, testing your ability to read EKG test strips and recognize important results

Use this information, combined with your self-knowledge regarding your strengths and weaknesses, to plan your study time.

Practice Test Tips that Actually Work

Practice questions and exams are important tools for predicting how you’ll do on the real test. Here’s how to approach them.

1. Make Time for Structured Study

Candidates who take the test without structured study are more likely to feel unprepared, especially on EKG Analysis questions.

2. Take Timed Practice Tests

Time doesn’t just fly when you’re having fun – it also flies when you’re taking a timed test. Two hours go by faster than you think, especially on questions that require you to interpret results. Take practice tests under exam conditions for a better idea of how you’ll do.

3. Focus on Weak Areas

Trust your strengths. Use your study time to boost your knowledge where you’re less comfortable. Analyze incorrect answers to understand why they’re wrong, then review related content.

Test-Day Strategies to Help You Perform Your Best

Your approach to the test matters. When the day comes, remember to:

  • Read every question carefully: Many CET questions feature clinical scenarios. Differences in a single detail, such as patient positioning and lead placement, can distinguish a correct answer from an incorrect one.
  • Focus on EKG acquisition, analysis and interpretation: These questions make up more than two-thirds of the test. Take time to review key areas like ventricular rhythms, artifact recognition and AV blocks.
  • Answer the easy questions first: Skip questions you aren’t sure about, and go back to them after you’ve completed the rest. 

You’ve prepared, and you know your stuff. Take the opportunity to show it off.

Invest in the Right Career Prep Program

MedCerts’ EKG Technician and Cardio-Phlebotomy Technician programs teach essential EKG skills in an engaging, multimedia format. Study online with dedicated student support and your exam fee covered. Talk to an Education Consultant to learn more.

Written by

MedCerts Team

Blog Posts Published By Our Team

See all of the blog posts that the MedCerts Partner Solutions Team has published.

Published on

Related Blogs

What Can You Do With a Health Unit Coordinator Certification?

What Does a Health Unit Coordinator Actually Do? HUCs are the administrative backbone of the medical unit. They manage…

EKG Technician Certification Exam Test and Tips

What to Expect on Test Day  The CET exam is a 120-question, multiple-choice exam which scores 100 questions, leaving…

How to Become a Behavior Technician Specialist Online

Step 1: Meet Basic Requirements Behavior technicians work with behavior analysts to deliver treatment plans for children or adults…