Few ECGs in Congenital Heart Disease Johnson Francis | February 14, 2024 | ECG / Electrophysiology, ECG Library | No Comments Related Posts Treadmill exercise test ECG series No Comments | Aug 21, 2009 ECG Quiz 50 – Discussion No Comments | Mar 19, 2019 Unipolar VVI Pacing No Comments | Aug 27, 2010 ECG Quiz 61 No Comments | Dec 23, 2019 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal