The CET exam, plainly.
The CET from NHA is the most common EKG technician credential. Many EKG roles are bundled into MA or patient-care positions, so the CET is most valuable when stacked with another cert.
If your school doesn't already point you at one specific certification, the CET is recognized across most U.S. employers in ekg technology.
The exam is administered by NHA · National Healthcareer Association. Full blueprint and registration are on the official site.
Cost, format, and scoring
The exam is computer-based and taken at a proctored testing center or via remote proctoring. You have 2 hr for 100 + 20 pretest.
- Multiple choice, four options each.
- You may flag and revisit questions; no penalty for guessing.
- Pass/fail results are typically returned immediately on screen.
What's on it
The content domains and their approximate weights:
A 6-week study plan
The plan below assumes 30–45 focused minutes per weekday plus longer weekend sessions for practice tests. Adjust on your own schedule, but don't compress past 4 weeks unless you already work in ekg technology.
Cardiac anatomy & physiology
Conduction system, cardiac cycle, electrolytes.
12-lead placement & artifact
Lead misplacement, the most-tested category.
Rhythm interpretation
Sinus rhythms, blocks, atrial and ventricular arrhythmias.
Holter and stress testing
Setup, patient education, common artifacts.
Safety, infection control, communication
HIPAA, BLS basics, patient prep.
Practice tests
Two full-length practice exams; rhythm strips daily.
ScrubPrep covers CET cardiovascular concepts with rhythm-strip drills.
After you pass
Most ekg technology employers want to see your card on day one. Your CE cycle starts on issue, not on hire. We cover renewal logistics in the EKG Technology career guide.
Find programs with on-site testing.
The fastest route to a card: a school that runs the exam in-house on the last day of the program.