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Ingestion of ammonium chloride, hydrochloric acid, or other acidifying salts; The treatment and recovery phases of diabetic ketoacidosis; Volume resuscitation with 0.9% normal saline provides a chloride load, so that infusing more than 3–4L can cause acidosis; Hyperalimentation (i.e., total parenteral nutrition)
[5] [21] A rise in the P CO 2 in the arterial blood plasma above 5.3 kPa (40 mmHg) reflexly causes an increase in the rate and depth of breathing. Normal breathing is resumed when the partial pressure of carbon dioxide has returned to 5.3 kPa. [8] The converse happens if the partial pressure of carbon dioxide falls below the normal range.
Metabolic acidosis is a serious electrolyte disorder characterized by an imbalance in the body's acid-base balance.Metabolic acidosis has three main root causes: increased acid production, loss of bicarbonate, and a reduced ability of the kidneys to excrete excess acids. [5]
Urine electrolyte levels can be measured in a medical laboratory for diagnostic purposes. The urine concentrations of sodium , chlorine and potassium may be used to investigate conditions such as abnormal blood electrolyte levels, acute kidney injury , metabolic alkalosis and hypovolemia .
VMA is found in the urine, along with other catecholamine metabolites, including homovanillic acid (HVA), metanephrine, and normetanephrine. In timed urine tests the quantity excreted (usually per 24 hours) is assessed along with creatinine clearance, and the quantity of cortisols, catecholamines, and metanephrines excreted is also measured.
Urine test strips use the concentration of ions in the urine to estimate specific gravity. The test pad contains a polyelectrolyte that releases hydrogen ions in proportion to the concentration of ions in the sample. The consequent pH change is measured using a pH indicator.
Reference ranges for urine tests are described below: Measurement Lower limit Upper limit ... Free catecholamines, dopamine: 90 [3] 420 [3] μg/d Red blood cells (RBCs)
Abnormal kidney function may cause too much or too little urine to be produced. The ability of the kidneys to filter protein is often measured, as urine albumin or urine protein levels, [2] measured either at a single instance or, because of variation throughout the day, as 24-hour urine tests. [citation needed]