Factors Contributing to Hyperkalemia

Factors Contributing to Hyperkalemia

Description

Cause

Examples

Decreased potassium excretion

Medications

Angiotensin-converting enzyme inhibitors

Angiotensin II receptor blockers

CyclosporineCyclosporine

Direct renin inhibitor (aliskiren)Direct renin inhibitor (aliskiren)

HeparinHeparin

LithiumLithium

Potassium-sparing diuretics

Nonsteroidal anti-inflammatory drugs

TacrolimusTacrolimus

TrimethoprimTrimethoprim

Hypoaldosteronism

Adrenal insufficiency

Kidney disorders

Acute kidney injury

Chronic kidney disease

Renal tubular acidosis type 4

Urinary obstruction

Other disorders

Decreased effective circulating volume

Increased potassium intake (usually iatrogenic)

Oral intake

Dietary

Oral potassium supplements

IV intake

Blood transfusions

IV fluids with supplemental potassium

Parenteral nutrition

Potassium citrate solutionsPotassium citrate solutions

Potassium-containing medications (eg, penicillin G)Potassium-containing medications (eg, penicillin G)

Increased potassium movement out of cells

Medications

Beta-blockers

Digoxin toxicityDigoxin toxicity

Increased tissue catabolism

Acute tumor lysis

Acute intravascular hemolysis

Bleeding into soft tissues or gastrointestinal tract

Burns

Rhabdomyolysis

Inherited disorders

Hyperkalemic familial periodic paralysis (rare)

Insulin deficiency

Diabetes mellitus

Fasting

Other disorders

Exercise

Metabolic acidosis

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