Hyperkalemia causes
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]
Overview
Hyperkalemia (AE) or Hyperkalaemia (BE) is an elevated blood level (above 5.0 mmol/L) of the electrolyte potassium. The prefix hyper- means high (contrast with hypo-, meaning low). The middle kal refers to kalium, which is Latin for potassium. The end portion of the word, -emia, means "in the blood". Extreme degrees of hyperkalemia are considered a medical emergency due to the risk of potentially fatal arrhythmias.
Complete Differential Diagnosis of the Causes of Hyperkalemia
Most common
- ACE inhibitors
- Acidosis
- Addisonian crisis
- Beta blockers
- Blood transfusion and complications
- Cirrhosis
- Diabetic nephropathy
- Increased ingestion of high potassium foods
- Malnutrition
- Renal tubular acidosis
- Renal failure
Organ system
Alphabetical order
Lethal injection
Hyperkalemia is intentionally brought about in an execution by lethal injection, potassium chloride being the third and last of the three drugs generally administered to cause death, after sodium thiopental has rendered the subject unconscious, then pancuronium bromide has been added to cause respiratory collapse.
References
- ↑ Sevastos N et al. (2006) Pseudohyperkalemia in serum: the phenomenon and its clinical magnitude. J Lab Clin Med, 147(3):139-44; PMID 16503244.
- ↑ Don BR et al. (1990) Pseudohyperkalemia caused by fist clenching during phlebotomy. N Engl J Med, 322(18):1290-2; PMID 2325722.
- ↑ Iolascon A et al. (1999) Familial pseudohyperkalemia maps to the same locus as dehydrated hereditary stomatocytosis. Blood, 93(9):3120-3; PMID 10216110.