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Pseudohyperkalemia occurs when the measured potassium level is falsely elevated. [24] This condition is usually suspected when the patient is clinically well without any ECG changes. Mechanical trauma during blood drawing can cause potassium leakage out of the red blood cells due to haemolysis of the blood sample. [24]
Common causes in pediatric patients may be diarrheal illness, frequent feedings with dilute formula, water intoxication via excessive consumption, and enemas. [3] Pseudohyponatremia is a false low sodium reading that can be caused by high levels of fats or proteins in the blood.
Patients with type 2 RTA are also typically hypokalemic due to a combination of secondary hyperaldosteronism, and potassium urinary losses - though serum potassium levels may be falsely elevated because of acidosis. Administration of bicarbonate prior to potassium supplementation might lead to worsened hypokalemia, as potassium shifts ...
Metabolic alkalosis is an acid-base disorder in which the pH of tissue is elevated beyond the normal range (7.35–7.45). This is the result of decreased hydrogen ion concentration, leading to increased bicarbonate (HCO − 3), or alternatively a direct result of increased bicarbonate concentrations.
Levels may appear falsely elevated with high blood lipid levels, high blood protein levels, or high blood bilirubin levels. [1] Treatment may include a phosphate low diet and antacids like calcium carbonate that bind phosphate. [1] Occasionally, intravenous normal saline or kidney dialysis may be used. [1] How commonly it occurs is unclear. [2]
Hypoaldosteronism causes low sodium (hyponatremia), high potassium (hyperkalemia), and metabolic acidosis, a condition in which the body produces excess acid.These conditions are responsible for the symptoms of hypoaldosteronism, which include muscle weakness, nausea, palpitations, irregular heartbeat, and abnormal blood pressure.
[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] Testing the urine can help if the cause is unclear. [1] The underlying mechanism typically involves too little free water in the body. [6]
High anion gap metabolic acidosis is typically caused by acid produced by the body. More rarely, it may be caused by ingesting methanol or overdosing on aspirin . [ 1 ] [ 2 ] The delta ratio is a formula that can be used to assess elevated anion gap metabolic acidosis and to evaluate whether mixed acid base disorder (metabolic acidosis) is present.