Cardiology MCQ Commonest arrhythmia in a healthy child – Cardiology MCQ Johnson Francis | August 31, 2013 Commonest arrhythmia in a healthy child is: a) Respiratory sinus arrhythmia b) Ventriculophasic sinus arrhythmia c) Ventricular premature complexes d) Atrial ectopic beats Please see the YouTube video Read More