低鉀血症

Key facts

Medical condition (new).caption

An ECG in a person with a potassium level of 1.1 meq/L showing the classical changes of ST segment depression, inverted T waves, large U waves, and a slightly prolonged PR interval.

Medical condition (new).field

Critical care medicine

Medical condition (new).symptoms

Feeling tired, leg cramps, weakness, constipation, abnormal heart rhythm

Medical condition (new).complications

Cardiac arrest

Medical condition (new).causes

Diarrhea, medications like furosemide and steroids, dialysis, diabetes insipidus, hyperaldosteronism, hypomagnesemia, not enough intake in the diet

Medical condition (new).diagnosis

Blood potassium < 3.5&nbsp;mmol/L

Medical condition (new).treatment

Dietary changes, potassium supplements, based on the underlying cause

Medical condition (new).frequency

20% of people admitted to hospital

Medical condition (new).name

Hypokalemia

Medical condition (new).synonyms

Hypokalaemia, hypopotassaemia, hypopotassemia