Template:Hyperkalemia DDX
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Hyperkalemia
- Pseudohyperkalemia: hemolyzed specimen, prolonged tourniquet use prior to blood draw, thrombocytosis or leukocytosis
- Redistribution (shift from intracellular to extracellular space)
- Acidemia (see DKA)
- Cellular breakdown: see Rhabdomyolysis/Crush syndrome, electrical/thermal burn, hemolysis, see Tumor lysis syndrome
- Increased total body potassium
- Inadequate excretion: Acute/chronic renal failure, Addison's disease, type 4 RTA
- Drug-induced: potassium-sparing diuretic (spironolactone), angiotensin converting enzyme inhibitors (ACE-I), nonsteroidal anti-inflammatory drugs (NSAIDs)
- Excessive intake: diet, blood transfusion
- Other causes: succinylcholine, digitalis, beta-blockers