ECG Quiz 58 Johnson Francis | September 27, 2019 | ECG / Electrophysiology, ECG Library | No Comments ECG Quiz 58 Click here for a larger image Related Posts CRT implantation pearls No Comments | Jun 21, 2010 Head up tilt test (HUTT) No Comments | Nov 13, 2015 Cox maze procedure I, II, III and IV for atrial fibrillation No Comments | Apr 23, 2012 ECG Quiz 48 No Comments | Feb 13, 2019 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal