Electrolytes

Question 1

Potassium Normal Range

Answer 1

3.5-5.0 mEq/L

Question 2

Hypokalemia Signs and Symptoms

Answer 2

Muscle weakness

Constipation

Ileus (nausea, vomiting, abdominal distention)

Arrhythmias

U-waves on ECG

Flattened T-waves on ECG

Hyporeflexia

Question 3

Hypokalemia: Common Causes

Answer 3

• Insufficient intake
• Excessive vomiting and/or diarrhea
• Laxative abuse
• Loop and thiazide diuretics
• Excessive insulin uptake
• Excess renal excretion