First degree AV block, sinus pause, QT prolongation on ECG Johnson Francis | February 4, 2024 | ECG / Electrophysiology, ECG Library | No Comments First degree AV block, sinus pause, QT prolongation on ECG Related Posts Wide QRS tachycardia No Comments | Jan 2, 2009 Pediatric exercise testing No Comments | Oct 15, 2010 Funny current: pacemaker current or If current No Comments | Nov 12, 2017 Potential hazards of using MRI with Older Pacemakers No Comments | Nov 16, 2008 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal