Why the study?
Do intracellular and extracellular potassium concentrations correlate with ventricular ectopy in patients after elective coronary bypass grafting?
Do intracellular and extracellular potassium concentrations correlate with ventricular ectopy in patients after elective coronary bypass grafting?
Lower serum potassium concentrations are associated with ventricular tachycardia in post-cardiac surgery patients, supporting the use of serum potassium to guide replacement.
May inform potassium monitoring post-CABG; observational data leaves open causality and need for randomized trials.
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Johnson et al. (1999) studied this question.
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