High glucose drives water from the intracellular to the extracellular space, diluting sodium concentration. Information from the internet could and should NOT be solely used to offer or render a medical opinion or otherwise engage in the practice of medicine. In patients with heart failure, B-type natriuretic peptides will be increased and urinary sodium will be > 20 mmol/L. Okerberg K, Lee M. It absolutely must not be used to obtain, replace or overrule a clinical diagnosis by a healthcare professional.
[renalfellow.blogspot.com], Otherwise you may be explaining pseudohyponatremia to a concerned physician. [galiciaclinica.info], コリンエステラーゼ pseudocroup 仮性クループ pseudocyst of pancreas 仮性膵嚢胞 pseudohermaphroditism 仮性半陰陽【旧名】【不適切】 類語：性分化疾患 DSD【推奨】 pseudohypertrophy 仮性肥大/偽性肥大 pseudohypoaldosteronism 偽性低アルドステロン症 pseudohyponatremia [jamanetwork.com], In true hyponatremia (Table 3), total body sodium and total body water levels may be decreased, normal, or increased, whereas in pseudohyponatremia these variables are unchanged Ibrahim A. Hashim, PhD, DABCC, FACB, is the Arthur J. Gill Professor of Pathology, chief of clinical pathology, and clinical chemistry director at the University of Texas Southwestern Medical Center in Dallas. ⚕ Symptoma®️ is a digital health assistant but no replacement for the opinion and judgement of medical professionals. It is always for the medical professional to make the final diagnosis. [aafp.org], […] tyrosine phosphatase 1Bチロシンホスファターゼ1B protein tyrosine phosphatase familyチロシンホスファターゼ類似タンパク protein tyrosine phosphatase, non-receptor type 22非受容体22型チロシンホスファターゼ proteinuriaタンパク尿 pseudohyponatremia [ncbi.nlm.nih.gov], Pseudohyponatremia occurs when too much water is drawn into the blood; it is commonly seen in people with hypoglycemia (low blood sugar). [healio.com], Pseudohyponatremia in a myeloma patient: direct electrode potentiometry is a method worthits salt. [jbn.org.br], Pseudohyponatremia should be suspected when the measured plasma osmolality is normal in the presence of hyponatremia.
Howard JM, Reed J. Pseudohyponatremia in acute hyperlipemic pancreatitis. However, with indirect methods that apply a dilution step prior to sample analysis, this can lead to falsely low sodium results. [emedicine.medscape.com], Later, she was diagnosed with pancreatitis, and with the concomitant presence of small gallstones and chylomicronemia syndrome, so the hyponatremia was proved to be a pseudohyponatremia Overall, serum osmolality and urinary sodium measurements are integral to the diagnosis and management of hyponatremia. [aafp.org], Pseudohyponatremia in the setting of hyperlipidemia, hypertriglyceridemia, or hyperparaproteinemia represents a laboratory artifact due to lower plasma water concentration [clinlabnavigator.com], […] psychogenic polydipsia, Ecstasy use, or beer potomania) or markedly elevated blood glucose, or a normal serum osmolality (suggesting hyperglycemia-induced hyponatremia and pseudohyponatremia [en.wikipedia.org].
[en.wikipedia.org], Abstract Preeclampsia is the most common cause of proteinuria with hypertension during pregnancy. A low serum sodium concentration due to volume displacement by massive hyperlipidemia or hyperproteinemia; also used to describe the low serum sodium concentration that may occur with high blood glucose. [merck.com], Severe hypertriglyceridemia and hyperproteinemia are two causes of this condition in patients with pseudohyponatremia. [accessmedicine.mhmedical.com], Pseudohyponatremia occurs when seemingly low sodium levels are actually normal. [step2.medbullets.com], Triglycerides in the 400–800 mg/dl range may produce visible lipemia, and even a mild pseudohyponatremia due to a reduced aqueous fraction of the serum. [jadweb.org], /Expanded Normal/high Cerebral salt wasting Contracted Very high Nephrogenic SIADH Expanded High Runner's Hyponatremia Contracted Low Hyperglycemia Contracted Low/normal Pseudohyponatremia A simple repeat collection often resolves the issue. [en.wikipedia.org], Hyponatremia in patients with normal osmolality (isotonicity) suggests the presence of pseudohyponatremia, for which corrective action is not required. [spectrum.diabetesjournals.org], DKA usually have a glucose level greater than 250 mg per dL, a few case reports document DKA in pregnant women who were euglycemic. [clinchem.aaccjnls.org], To our knowledge, there is only 1 other report of a PBC patient with a cholesterol concentration 2000 mg/dL (51.7 mmol/L), and it, too, was associated with pseudohyponatremia In addition to pseudohyponatremia, spurious hyponatremia can occur if a sample is contaminated with intravenous fluid containing sodium at less than half that of serum, such as in dextrose infusion. [encyclopedia.com], […] a fluid compartment 2(Na K) (glucose/18) (blood urea nitrogen/2.8) 285 to 295 mOsm per kg (285 to 295 mmol per kg) of water Serum sodium correction Hyperglycemia causes pseudohyponatremia (5) The eventual appearance of pseudohyponatremia High osmolality can also suggest the presence of other solutes such as mannitol. A potential pitfall in therapy.
The Journal of Applied Laboratory Medicine, Online Course: Quality Management Systems, Clinical Chemistry Journal Continuing Education Credits, Avoiding the Temptation to Sweep Errors Under the Rug, Challenging Times for Mass Spectrometry Reimbursement, Listening Closely when the Volume is Turned Down, Next Generation Clinical Mass Spectrometry and the Future of Precision Medicine, The Case for Population Based BRCA1 and BRCA2 Testing, Commission on Accreditation in Clinical Chemistry. Enter symptoms or answer a question with "Yes". Washington, DC 20001  Common causes in pediatric patients may be diarrheal illness, frequent feedings with dilute formula, water intoxication via excessive consumption, and enemas. This does not impact direct methods for measuring sodium. Each of these conditions is characterized by normal or low urea, low creatinine and urea/creatinine ratio, low uric acid, and a urinary sodium ≥ 20–30 mmol/L.
It can be divided into hypertonic or isotonic hyponatremia . [ncbi.nlm.nih.gov], Hyponatremia can be broadly divided into two fundamental categories: "true hyponatremia" (in which the serum sodium concentration is truly less than normal), or "pseudohyponatremia
[cancertherapyadvisor.com], It is critical to measure serum osmolality to rule-out pseudohyponatremia (see page 7) an artifact of indirect lab techniques.
It occurs when hyperlipemia increases the serum non-water volume or hyperproteinemia increases the serum non-sodium solute. [healthooze.com], Rarely, hyponatremia occurs in nephrotic syndrome, although pseudohyponatremia may be due to interference with sodium measurement by elevated lipids. Read More.
[clinicaladvisor.com], Pseudohyponatremia is a method-dependent, artifactual reduction of serum sodium concentration resulting from displacement of a portion of the water phase of the plasma by [en.wikipedia.org], Isotonic hyponatremia is usually due to pseudohyponatremia secondary to high plasma concentrations of triglycerides or proteins .
Serum osmolality is measured using either freezing point depression or vapor pressure techniques. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. It can be avoided by direct ion-selective electrode measurement. [ehealthstar.com], Other conditions that can mimic psychogenic polydipsia include ecstasy intoxication, pseudohyponatremia, and exercise-associated hyponatremia. 900 Seventh Street, NW Suite 400 Phone // +1.202.857.0717 or 800.892.1400
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