The Cribsiders S6 Ep117: This Lab is Bananas, B-A-N-A-N-A-S: Hyperkalemia in the Acute Setting
Aug 14, 2024
Dr. Jordan Symons, a physician from Seattle specializing in hyperkalemia, discusses the critical implications of elevated potassium levels in acute scenarios. He clarifies the difference between true and pseudo hyperkalemia and emphasizes the importance of monitoring potassium for cardiac health. The conversation covers effective treatment strategies, including the role of calcium and diuretics, in managing this potentially life-threatening condition. Listeners can expect insights into rapid decision-making for acute hyperkalemia management.
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Cardiac Risk in Hyperkalemia
- In suspected hyperkalemia, prioritize cardiac risk.
- If above 7, or symptomatic with muscle weakness or palpitations, act quickly.
Calcium's Role
- Calcium stabilizes the cardiac membrane by altering the calcium-potassium relationship.
- This reduces the likelihood of arrhythmias.
Shifting Potassium
- Give insulin and dextrose together to shift potassium into cells.
- Albuterol can also help but can cause tachycardia, while bicarbonate is less effective initially.