Ultrafast Ultrasound Imaging Johnson Francis | February 17, 2024 | Echocardiography | No Comments Related Posts Merlon sign and square root sign in endomyocardial fibrosis No Comments | Apr 22, 2012 Tricuspid regurgitation jet – Doppler echocardiography No Comments | Dec 7, 2016 Modified PLAX view in TGA No Comments | Oct 17, 2016 Aortic flow velocity by Doppler echo No Comments | Sep 17, 2016 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal