Approach to Hyperkalemia in the ICU
摘要
Hyperkalemia, defined as a serum potassium level greater than 5.0 mmol/L, is a potentially life-threatening condition that requires prompt assessment and management. Potassium plays a crucial role in maintaining cellular membrane potential, particularly in cardiac and neuromuscular tissues. Severe hyperkalemia can lead to dangerous cardiac arrhythmias and muscle weakness, making it critical to quickly identify and treat the underlying cause.