This study was performed to evaluate whether any electrocardiogram (ECG) para-meter can predict the presence of hyperkalemia in patients on maintenance hemodialysis (HD). In January 2006. we conducted a cross-sectional study of 80 stable patients with end-stage renal disease from four university-based HD units of Tehran. Iran. https://lockdownsecuritycanada.shop/product-category/faraday-bag/