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, Hyperkalemia Study Bundle
Original NCLEX Review Notes + Practice Questions
Created for educational use and study purposes
Hyperkalemia Quick Study Sheet
“Too much can be life-threatening.”
What is Hyperkalemia?
Hyperkalemia means there is too much potassium in the bloodstream.
Normal Potassium: 3.5–5.0 mEq/L
Hyperkalemia: Greater than 5.0 mEq/L
Potassium plays a major role in:
• Muscle contraction
• Nerve conduction
• Heart rhythm regulation
When potassium levels become elevated, the heart is the organ most at risk.
Common Causes of Hyperkalemia
Increased Intake
• Excess potassium supplements
• Salt substitutes containing potassium
• Excessive IV potassium administration
Decreased Excretion
• Kidney failure
• Acute kidney injury
• Adrenal insufficiency
, Hyperkalemia Study Bundle
Original NCLEX Review Notes + Practice Questions
Created for educational use and study purposes
Hyperkalemia Quick Study Sheet
“Too much can be life-threatening.”
What is Hyperkalemia?
Hyperkalemia means there is too much potassium in the bloodstream.
Normal Potassium: 3.5–5.0 mEq/L
Hyperkalemia: Greater than 5.0 mEq/L
Potassium plays a major role in:
• Muscle contraction
• Nerve conduction
• Heart rhythm regulation
When potassium levels become elevated, the heart is the organ most at risk.
Common Causes of Hyperkalemia
Increased Intake
• Excess potassium supplements
• Salt substitutes containing potassium
• Excessive IV potassium administration
Decreased Excretion
• Kidney failure
• Acute kidney injury
• Adrenal insufficiency
