Hypokalemia

Definition

Hypokalemia is a condition characterized by lower than normal levels of potassium in the bloodstream. It can affect muscle function, including that of the heart, and disrupt the body's fluid and electrolyte balance.

Related terms

Electrolytes:

Minerals in the body fluids that carry an electric charge and are essential for life processes, including nerve signaling and muscle contraction.

ECG (Electrocardiogram): A test that measures the electrical activity of the heart to detect cardiac problems, which can be affected by hypokalemia.

Diuretics:

Medications that help the body expel water and salt, which can sometimes lead to decreased potassium levels in the blood