Which of the Following ECG Patterns Would the Nurse Observe

Which of the following ECG patterns would the nurse observe in a patient admitted for arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVC/D) ? Select all that apply.

A) Atrial flutter
B) Ventricular tachycardia with left bundle branch block pattern
C) T-wave inversion in the right precordial leads
D) Sinus arrhythmia with a first-degree AV block
E) Development of a "U" wave following a normal T wave