Creation of an atrial septal defect through a minimally invasive procedure in an attempt to decompress left atrium resulted in immediate, clinically relevant reduction in LA pressure in dogs with advanced myxomatous mitral valve disease and left-sided CHF. Median survival time following procedure was 195 days. http://jav.ma/2PMABxq | Journal of the American Veterinary Medical Association - JAVMA

Echocardiogram (4-chamber view) of a small ventricular septal defect The apical 4-chamber view from a 2D echocardiogram with color flow Doppler shows a small muscular ventricular septal defect (VSD) associated with left-to-right shunting of blood. | Cardiovascular Education | Facebook