AreaCode.org is an area code finder with detailed information on the 412 area code including 412 area code map. Major cities like Pittsburgh within area code 412 are also listed on this page. More area codes, including those outside of Pennsylvania, are found on the AreaCode.org homepage.12 Area Code 412. At AreaCode.org, you'll find helpful information on the 412 area code, including 412 area code location. Other phone area codes may be found using AreaCode.org's area code locator.
Full Definition of AILMENT. 1. : a bodily disorder or chronic disease. 2. : unrest, uneasiness. See ailment defined for English-language learners. See ailment defined for kids. ADVERTISEMENT.
Aortic insufficiency. 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.