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Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...
High volume hypernatremia can be due to hyperaldosteronism, excessive administration of intravenous normal saline or sodium bicarbonate, or rarely from eating too much salt. [1] [2] Low blood protein levels can result in a falsely high sodium measurement. [4] The cause can usually be determined by the history of events. [1]
Hyponatremia or hyponatraemia is a low concentration of sodium in the blood. [4] It is generally defined as a sodium concentration of less than 135 mmol/L (135 mEq/L), with severe hyponatremia being below 120 mEq/L. [3] [8] Symptoms can be absent, mild or severe.
List of human blood components. ... normal range 2-62 × 10 −9: chronic poisoning ... Sodium: 3.1-3.4 × 10 −3 ...
Death results by the swelling of the brain against the skull. (Normal serum sodium levels are 135–145 mEq/liter (135–145 mmol/L). Severe symptoms typically only occur when levels are above 160 mEq/L.) The human renal system actively regulates sodium chloride in the blood within a very narrow range around 9 g/L (0.9% by weight). [citation ...
Sodium is an essential nutrient that the body requires in small amounts, but eating too much of it can lead to high blood pressure and increased risk of heart attack, heart failure, stroke and ...
The reference ranges for the complete blood count represent the range of results found in 95% of apparently healthy people. [note 2] [35] By definition, 5% of results will always fall outside this range, so some abnormal results may reflect natural variation rather than signifying a medical issue. [36]
The standard definition of a reference range for a particular measurement is defined as the interval between which 95% of values of a reference population fall into, in such a way that 2.5% of the time a value will be less than the lower limit of this interval, and 2.5% of the time it will be larger than the upper limit of this interval, whatever the distribution of these values.