Question 1 Question Title * 1. Which of the following features are present on the 12-lead ECG? A. Electrical alternans B. Intermittent pre-excitation C. Mobitz Type 1 second degree AV block (Wenkebach) D. Wandering atrial pacemaker E. Multifocal ventricular premature complexes Page1 / 6 17% of survey complete. Next