Acidosis's an increased acidity (for example an increased hydrogen ion concentration). If not further qualified, it usually refers to acidity of the blood plasma. Acidosis's said to occur when arterial pH falls below 7.35, while its counterpart (alkalosis) occurs at a pH over 7.45. Arterial blood gas analysis and other tests are required to separate the main causes. The term acidemia describes the state of low blood pH, while acidosis's used to describe the processes leading to these states. N… (More on Acidosis)