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Examen
Ncct Ecg Practice Test
NCCT ECG PRACTICE TEST 
Cardiology and ECG Questions 
1. What would be considered a cardinal feature of sinus rhythm? 
️ The P wave should always be upright in leads 1 and 2. 
2. What is a small wave (similar to the P wave) that sometimes appears after the T wave, and is thought 
to represent late repolarization of the Purkinje fibers in the ventricles? 
️ U wave 
3. A disturbance of SA nodal function that results in a markedly variable rhythm is known as: 
️ Sick sinus rhyth...