Admission to graduate programs is competitive. Selection criteria differ by program and are established by departmental faculty. Applicants are evaluated on the strength of their academic background, results of standardized exams (if required by the program), work experience, and any additional evidence of potential success in the program.
Aortic insufficiency (AI), also known as aortic regurgitation (AR), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle. As a consequence, the cardiac muscle is forced to work harder than normal.
n. 1. (Government, Politics & Diplomacy) an international organization founded in Britain in 1961 that works to secure the release of people imprisoned for their beliefs, to ban the use of torture, and to abolish the death penalty. Abbreviation: AI.