One to one ventriculo-atrial conduction during VT One to one ventriculo-atrial conduction during VT. The p waves are negative in leads II, III, and avf and follow each QRS complex. One to one ventriculo-atrial conduction during VT. The p waves are negative in leads II, III, and avf and follow each QRS complex. Left panel—VT; right panel—same patient during sinus rhythm. Hein JJ Wellens Heart 2001;86:579-585 Copyright © BMJ Publishing Group Ltd & British Cardiovascular Society. All rights reserved.