Reply to G. Betts’s letter referring to “Serum potassium dynamics during acute heart failure hospitalization”

Caravaca Perez P, González-Juanatey JR, Nuche J et al (2020) Serum potassium dynamics during acute heart failure hospitalization. Clin Res Cardiol. https://doi.org/10.1007/s00392-020-01753-3 Ferreira JP, Butler J, Rossignol P et al (2020) Abnormalities of potassium in heart failure: JACC state-of-the-art review. J Am Coll Cardiol 75:2836–2850. https://doi.org/10.1016/j.jacc.2020.04.021 Jiménez-Marrero S, Cainzos-Achirica M, Monterde D et al (2020) Real-world epidemiology of potassium derangements among chronic cardiovascular, metabolic and renal conditions: a population-based analysis. Clin Epidemiol 12:941–952. https://doi.org/10.2147/CLEP.S253745 Tafesse E, Hurst M, Sugrue D et al (2020) Serum potassium as a predictor of adverse clinical outcomes in patients with increasing comorbidity burden. Eur Hear J Qual Care Clin Outcomes. https://doi.org/10.1093/ehjqcco/qcaa078