10 free CCT practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
CCT Practice Test 9Tutor mode
Question 1 of 10
Performing Rhythm Analysis
The lead II strip below is regular at about 170/min. The QRS complexes are wide (0.16 s), all the same shape, and no P waves are seen. Which rhythm is most likely?
Rhythm strip
Lead II, 25 mm/s, 10 mm/mV, 6-second strip. Small box = 1 mm = 0.04 s; large box = 5 mm = 0.20 s.