In adults, three conditions are known to cause aortic stenosis. 1  Progressive wear and tear of a bicuspid valve present since birth (congenital). 2  Wear and tear of the aortic valve in the elderly. 3  Scarring of the aortic valve due to rheumatic fever as a child or young adult.ver time, excessive wear and tear leads to calcification, scarring, and reduced mobility of the valve leaflets. About 10% of bicuspid valves become significantly narrowed, resulting in the symptoms and heart problems of aortic stenosis.
Comma Splice Example. Comma splice is a common mistake made by most people who write in the English language. Here, we try to understand what a comma splice is with the help of a few examples. Take a look.
Example sentences. 1  Her poems often have a hip-hop feel, emphasizing repetition and the mnemonic power of the spoken word. 2  The mnemonic power of poetry-the rhythmic organization of words as an aid to memory-however, is central, if not indispensable, to the transmission of a tradition in an oral society. system such as a pattern of letters, ideas, or associations which assists in remembering something: the usual mnemonic for star types is O Be A Fine Girl Kiss Me. More example sentences. 1  Short, succinct, and easy to remember-a mnemonic.