Echo Quiz Johnson Francis | December 5, 2019 | Echocardiogram Library, Echocardiography | No Comments Echo Quiz Diagnosis? Click here for the discussion Related Posts Grading severity of mitral regurgitation by color Doppler echocardiography No Comments | Nov 9, 2008 Tissue Doppler derived atrial conduction time: PA-TDI No Comments | Apr 13, 2020 Echocardiographic profile in ventricular septal defect – video No Comments | Jan 6, 2010 Image Quiz No Comments | Sep 6, 2019 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal