NHA EKG Technician (CET) exam topics — the 4 content areas by weight
The NHA EKG Technician (CET) exam is built from 4 weighted content areas. Focus your time where the weight is. Each area below links to a free study chapter and practice questions. These weights are how PrepPass has organized the material, not a figure published by the exam authority.
Rhythm Identification and Interpretation
35%EKG Acquisition, Lead Placement, and Troubleshooting
28%Safety, Communication, and Professional Responsibilities
19%Cardiac Anatomy, Physiology, and Common Conditions
18%Ready to test yourself?
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Content-area weights are PrepPass’s own organization of the material. Where NHA EKG Technician (CET) publishes an official outline, check it directly. Confirm current details with National Healthcareer Association (NHA). Study aid, not a substitute for the official material. Last updated: August 2026.