ECG Quiz 61 Johnson Francis | December 23, 2019 | ECG / Electrophysiology, ECG Library | No Comments ECG Quiz 61 Click here for the discussion Related Posts 3-phase model of cardiopulmonary resuscitation (CPR) No Comments | Sep 7, 2010 Tachycardiomyopathy No Comments | Sep 5, 2009 Holiday Heart Syndrome No Comments | Nov 13, 2015 Pediatric electrocardiography No Comments | Dec 11, 2015 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal