Few ECGs in Congenital Heart Disease Johnson Francis | February 14, 2024 | ECG / Electrophysiology, ECG Library | No Comments Related Posts Rautaharju and Dmitrienko formulae for QT interval correction No Comments | Nov 26, 2020 ECG Quiz 4 Comments | Apr 23, 2018 Stereotactic arrhythmia radioablation No Comments | Jan 16, 2019 Complete heart block – narrow QRS No Comments | Aug 26, 2009 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal