July 15th, 2013
The Conundrum of Low-Gradient Severe Aortic Stenosis with Preserved LVEF
Thomas Marwick and John Ryan, MD
Thomas Marwick discusses his research group’s study of how patients who have severe aortic stenosis with low gradient and a preserved LV ejection fraction fare after aortic valve replacement.
January 10th, 2013
A New Dimension in Serial LVEF Measurement
Thomas Marwick and John Ryan, MD
John Ryan asks Thomas Marwick about his new study, which found that the most reproducible technique for serial assessment of LVEF is the noncontrast 3D echocardiogram.