Stunning blue topaz, tourmaline, and red spinel jewelry has graced royal collections and red-carpet events. Today, only four gems bear the precious label: diamonds, emeralds, rubies, and sapphires; that was not always the case. The concept of precious and semi-precious gems is a fluid one.
Respiratory alkalosis is a medical condition in which increased respiration elevates the blood pH beyond the normal range (7.35-7.45) with a concurrent reduction in arterial levels of carbon dioxide. During acute respiratory alkalosis, the person may lose consciousness where the rate of ventilation will resume to normal. 2  Chronic respiratory alkalosis is a more long-standing condition. 3  For every 10 mmHg drop in PCO 2 in arterial blood, there is a corresponding 5 mEq/L drop in bicarbonate ion.
Metabolic Acidosis. Metabolic alkalosis is most commonly caused by excessive vomiting and loss of acid or excessive injestion of bicarbonate-containing antacids. Maitenance of the increased pH implies a problem with renal bicarbonate excretion.Diuretics, both loop and thiazides, can also be causative.etabolic Acidosis. Metabolic alkalosis is most commonly caused by excessive vomiting and loss of acid or excessive injestion of bicarbonate-containing antacids. Maitenance of the increased pH implies a problem with renal bicarbonate excretion. Diuretics, both loop and thiazides, can also be causative.