In aortic stenosis, the heart is unable to increase output to compensate for the drop in blood pressure. Therefore, blood flow to the brain is decreased, causing fainting.
In aordistenoos, süda ei suuda suurendada toodangut, et kompenseerida vererõhu langus. Seetõttu, verevoolu ajus on vähenenud, põhjustab minestamist.