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Voltage-Dependent Potassium Current Recording on H9c2 Cardiomyocytes via the Whole-Cell Patch-Clamp Technique
Published on: November 11, 2022
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Derangements of potassium
Laura Medford-Davis1, Zubaid Rafique1
1Division of Emergency Medicine, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA; Department of Emergency Medicine, Ben Taub General Hospital, Ben Taub General Hospital Emergency Center, 1504 Taub Loop, Houston, TX 77030, USA.
Emergency Medicine Clinics of North America
|April 29, 2014
Summary
Potassium derangements stem from elimination changes and cellular shifts. Treatment is advised for symptomatic patients or those with ECG changes, focusing on specific interventions for hyperkalemia and hypokalemia.
Area of Science:
- Nephrology
- Internal Medicine
- Electrolyte Balance
Background:
- Potassium balance is crucial for cellular function.
- Renal and gastrointestinal systems significantly impact potassium elimination.
- Intracellular and extracellular potassium shifts can lead to derangements.
Purpose of the Study:
- To summarize the causes of potassium derangement.
- To outline the clinical presentation and diagnostic considerations.
- To review current treatment strategies for hyperkalemia and hypokalemia.
Main Methods:
- Literature review of potassium homeostasis and management.
- Analysis of clinical guidelines and treatment protocols.
- Synthesis of information on electrolyte derangements.
Main Results:
- Potassium derangements arise from elimination issues and cellular shifts.
- Symptoms are nonspecific, affecting cardiac, musculoskeletal, and GI systems.
- Treatment decisions are guided by symptoms and ECG findings.
Conclusions:
- Hyperkalemia management involves IV calcium, insulin, beta-antagonists, and dialysis.
- Hypokalemia treatment requires oral or IV potassium chloride and magnesium sulfate.
- Sodium bicarbonate and kayexelate are not recommended treatments.
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