ECG Quiz 59 Johnson Francis | November 13, 2019 | ECG / Electrophysiology, ECG Library | No Comments ECG Quiz 59 Click here for the discussion Related Posts VPC couplet No Comments | Feb 18, 2010 Predictors of recurrence after electrical cardioversion of AF No Comments | Oct 19, 2015 ECG Quiz 53 1 Comment | Mar 28, 2019 Arm lead inversion / technical dextrocardia No Comments | Feb 27, 2009 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal