NHA CET guides
Practice questions
About the exam
Topics
- EKG Rhythm Strip Practice: How to Read an ECG StripLearn to read EKG rhythm strips step by step, with normal values, the common rhythms and free ECG interpretation practice questions with answers.
- Safety, Compliance and Patient Care for EKG TechsSafety, compliance and patient care for EKG technicians: patient ID, infection control, HIPAA, patient positioning and emergencies, with free CET practice.
- Cardiac Conduction and EKG Waves ExplainedThe heart's conduction system and what each EKG wave means (P wave, QRS complex, T wave), with normal intervals and pacemaker rates, plus free CET practice.
- 12-Lead EKG Electrode PlacementWhere to place the 10 electrodes for a 12-lead EKG (V1 to V6 and limb leads), common placement mistakes and artifacts, with free NHA CET practice questions.
- EKG Artifacts and TroubleshootingThe four common EKG artifacts (somatic tremor, wandering baseline, AC interference, interrupted baseline), causes and fixes, with CET practice.
- How to Calculate Heart Rate on an EKGThree ways to calculate heart rate from an EKG strip: the 300 method, the 1,500 method and the 6-second method, when to use each, with free practice questions.
- Heart Anatomy and Blood Flow for EKG TechniciansHeart chambers, valves and the path of blood through the heart for EKG technicians, plus the coronary arteries, with free NHA CET practice questions.
- Holter Monitoring and Stress Testing for EKG TechsHolter and event monitor setup, patient instructions and diaries, and exercise stress testing basics for the NHA CET exam, with free practice questions.