NURS 6320 Pathophysiology Midterm Study Guide Spring
o Hypokalemia ▪ Potassium level 3.5 mEq/L ▪ Causes: • Reduced potassium intake • Increased potassium entry into cell • Increased potassium loss ▪ Treatment: • Replace potassium orally and/or intravenously ▪ Manifestations: • Membrane hyperpolarization causes: • Decreased neuromuscular excitability • Skeletal muscle weakness • Smooth muscle atony • Cardiac dysrhythmias • U wave on electrocardiogram (ECG)
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