What Is Severe Hypokalemia?

Hypokalemia is generally defined as a serum potassium level of less than 3.5 mEq/L (3.5 mmol/L). Moderate hypokalemia is a serum level of 2.5-3.0 mEq/L, and severe hypokalemia is a level of less than 2.5 mEq/L.

What is considered severe hypokalemia?

Definition and prevalence of hypokalemia

Hypokalemia is an electrolyte characterized by low serum potassium concentrations (normal range: 3.5–5.0 mEq/L). Severe and life-threatening hypokalemia is defined when potassium levels are <2.5 mEq/L.

Is severe hypokalemia life-threatening?

Doctors consider a person to have severe hypokalemia — a potentially life-threatening condition — when their potassium levels are less than 2.5 mmol/L.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.