NHA EKG Technician (CET) Study Guide (2026)
This is the free study guide for the NHA EKG Technician (CET) exam — the same content areas the exam tests, written to the official outline. Read any chapter online free below, then drill the material with 300+ free practice questions and a full timed mock exam.
Last updated: August 2026.
Open the full study guideEvery chapter, in one place — free to read online.The 4 chapters
- 1Rhythm Identification and Interpretation35% of the exam
- 2EKG Acquisition, Lead Placement, and Troubleshooting28% of the exam
- 3Safety, Communication, and Professional Responsibilities19% of the exam
- 4Cardiac Anatomy, Physiology, and Common Conditions18% of the exam
Practice what you read
Reading is step one; recalling it under exam pressure is what passes. Drill free NHA EKG Technician (CET) practice questions, then sit a full timed mock exam.

Practice stays free. The full EKG Technician study guide is the material itself, taught start to finish — a downloadable PDF + EPUB you keep.
Educational summary, not a substitute for the official material — always confirm current details with National Healthcareer Association (NHA). Last updated: August 2026.