CCI RCS Registry -URR Questions with well explained answers

The peak velocity of aortic regurgitation indicates the maximum pressure gradient between: the aorta and the LV in systole the aorta and the LV in diastole the LV and the LA in diastole the LV and the LA in diastole - the aorta and the LV in diastole Which type of image resolution improves with proper placement of the focal zone at the area of interest? temporal lateral contrast elevational - Lateral The tissue of the interventricular septum will be best visualized when: the US beam is parallel to the long axis of the septum the US beam is perpendicular to the long axis of the septu the dynamic range is increased harmonics is turned off - the US beam is perpendicular to the long axis of the septum A 38yr old male presents for an echo due to a systolic murmur and has no other cardiac symptoms. Due to patient habitus, 2D imaging is significantly limited but the EF% appears normal. The aortic valvevelocity is 4m/s with a peak pressure gradient of 64mmHg and no aortic insufficiency is detected. Which of the following is the most likely etiology of the aortic stenosis? bicuspid AV infective endocarditis degenerative disease Marfans syndrome - bicuspid AV