Fig. 1From: Multiple midline defects identified in a litter of golden retrievers following gestational administration of prednisone and doxycycline: a case seriesEchocardiographic image from the right parasternal long-axis view of Dog 1. There is a hyperechoic subaortic ridge present (denoted by arrow) as well as poststenotic dilation of the aorta consistent with subaortic stenosis (SAS). The left ventricular walls appear thickened consistent with concentric hypertrophy secondary to the pressure overload from SASBack to article page