Hyperkalaemia ecg12/24/2023 ![]() ![]() Adverse events occurred within six hours in 28 patients (15%): symptomatic bradycardia (n=22), death (n=4), ventricular tachycardia (n=2) and CPR (n=2). We included a total of 188 patients with severe hyperkalemia in the final study group. Relative risk was calculated to determine the association between specific hyperkalemic ECG abnormalities and short-term adverse events. Two emergency physicians blinded to study objective independently examined each ECG for rate, rhythm, peaked T wave, PR interval duration and QRS complex duration. We defined adverse events as symptomatic bradycardia, ventricular tachycardia, ventricular fibrillation, cardiopulmonary resuscitation (CPR) and/or death. ![]() A chart review identified patient demographics, concurrent laboratory values, ECG within one hour of K+ measurement, treatments and occurrence of adverse events within six hours of ECG. We collected records of all adult patients with potassium (K+) ≥6.5 mEq/L in the hospital laboratory database from August 15, 2010, through January 30, 2015. This study analyzes the association between specific hyperkalemic ECG abnormalities and the development of short-term adverse events in patients with severe hyperkalemia. However, there is a paucity of evidence to support this practice. The electrocardiogram (ECG) is often used to identify which hyperkalemic patients are at risk for adverse events. ![]()
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