ArticleIrish journal of medical science2025
A new electrocardiographic evaluation in hyperkalemia: frontal QRS-T angle.
Article in Irish journal of medical science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionECG is a frequently used and easily accessible diagnostic tool used to evaluate cardiac involvement in hyperkalemia patients.
objectiveThe present study aimed to investigate the mortality prediction potential of the frontal QRS-T angle in hyperkalemia patients and the effects of the treatment process on this angle.
methodThe study was planned as a prospective study. A total of 121 hyperkalemia patients were included in the study. Conditions that caused high potassium were identified and the PR, QRS, QT, QTc, and frontal QRS-T angle were calculated and recorded from the 12-lead ECG recordings of the patients at the time of admission to the emergency room.
resultsThe mean age of the patients was 58.5 ± 9.2 years (median: 59), 63 (% 52.1) were female and 58 (% 47.9) were male. The second measurements of the ECG parameters PR, QTc, QRS, T-amplitude, T duration, and frontal QRS-T values were lower than the first measurements (p < 0.001; p = 0.007; p < 0.001; p < 0.001; p < 0.001; p = 0.006, respectively). The ability of the patient's ECG parameters PR, QT, QTc, QRS, T-amplitude, frontal QRS-T angle, and frontal QRS-T (absolute value) to predict the development of mortality In the ROC Curve analysis, it was found that these parameters did not have a statistically significant effect in predicting mortality.
conclusionAs well as known ECG findings, in cases of hyperkalemia, widening of the frontal QRS-T angle and correction of this widened angle in patients with normokalemia detected with treatment can be used as an important follow-up parameter.
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