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   Articles with "qrs" as a keyword



QRS fragmentation does not predict mortality in survivors of acute myocardial infarction

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recommendations! Published in 2024 at "Clinical Cardiology"

DOI: 10.1002/clc.24218

Abstract: Despite advances in coronary revascularization and in heart failure management, myocardial infarction survivors remain at substantially increased mortality risk. Precise risk assessment and risk‐adapted follow‐up care are crucial to improve their outcomes. Recently, the fragmented… read more here.

Keywords: mortality; risk; myocardial infarction; qrs ... See more keywords

The combination of high‐frequency QRS and ST‐segment alterations during exercise stress tests enhanced the diagnostic efficacy for coronary artery disease

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recommendations! Published in 2024 at "Clinical Cardiology"

DOI: 10.1002/clc.24254

Abstract: High‐frequency QRS (HF‐QRS) manifests as a novel adjunct electrocardiographic marker with potential utility in coronary artery disease (CAD) detection. read more here.

Keywords: coronary artery; artery disease; qrs; high frequency ... See more keywords

Correlation between frontal QRS‐T angle, Tp‐e interval, and Tp‐e/QT ratio to coronary artery severity assessed with SYNTAX score in stable coronary artery disease patients

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recommendations! Published in 2022 at "Journal of Arrhythmia"

DOI: 10.1002/joa3.12756

Abstract: It is known that a wide frontal QRS‐T(f[QRS‐T]) angle in the electrocardiography (ECG) is associated with poor cardiovascular outcomes. The Tp‐e (the interval from the peak to the end of the T wave) interval and… read more here.

Keywords: syntax; interval; ratio; qrs ... See more keywords
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Reversible QRS attenuation/fragmentation in patients with takotsubo syndrome

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recommendations! Published in 2023 at "Journal of Arrhythmia"

DOI: 10.1002/joa3.12816

Abstract: To the Editor: I read with great interest the paper by Li et al,1 about the 80yearold woman whose electrocardiogram (ECG), in the setting of takotsubo syndrome (TTS), revealed “fragmentation of the QRS complexes across… read more here.

Keywords: takotsubo syndrome; fragmentation; qrs; qrs attenuation ... See more keywords

Frontal QRS-T angle and ventricular mechanics in congenital heart disease

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recommendations! Published in 2020 at "Heart and Vessels"

DOI: 10.1007/s00380-020-01601-4

Abstract: The QRS-T angle has been associated with adverse cardiovascular events and sudden cardiac deaths. We determined frontal QRS-T angle in patients with complete transposition of the great arteries (TGA) after atrial switch operation and repaired… read more here.

Keywords: qrs angle; mechanics; strain; frontal qrs ... See more keywords

Development and Validation of a Quantitative Reactive Stroma Biomarker (qRS) for Prostate Cancer Prognosis.

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recommendations! Published in 2022 at "Human pathology"

DOI: 10.1016/j.humpath.2022.01.009

Abstract: PURPOSE To develop and validate a new tissue-based biomarker that improves prediction of outcomes in localized prostate cancer by quantifying the host response to tumor. MATERIALS AND METHODS We use digital image analysis and machine… read more here.

Keywords: biomarker; qrs; stroma; prostate ... See more keywords
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T wave axis deviation and QRS-T angle - Controversial indicators of incident coronary heart events.

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recommendations! Published in 2017 at "Journal of electrocardiology"

DOI: 10.1016/j.jelectrocard.2017.02.008

Abstract: Abnormal orientation of the T-wave axis and increased angle between the QRS complex (depolarization) and the T-wave (repolarization) have long been assumed to provide a global measure of repolarization abnormality, and have been used to… read more here.

Keywords: heart; qrs angle; deviation qrs; axis deviation ... See more keywords

Prognostic significance of the frontal QRS-T angle in patients with AL cardiac amyloidosis.

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recommendations! Published in 2020 at "Journal of electrocardiology"

DOI: 10.1016/j.jelectrocard.2020.02.001

Abstract: INTRODUCTION Cardiac involvement is a leading cause of morbidity and mortality in primary light chain (AL) amyloidosis. The electrocardiographic spatial QRS-T angle reflects changes in the direction of the repolarization sequence and is a powerful… read more here.

Keywords: patients cardiac; qrs angle; amyloidosis; significance frontal ... See more keywords

Electrocardiographic features of paradoxical ventriculophasic response.

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recommendations! Published in 2022 at "Journal of electrocardiology"

DOI: 10.1016/j.jelectrocard.2022.02.002

Abstract: BACKGROUND Paradoxical ventriculophasic response (P-VR), a rare entity, has not been fully investigated. This study sought to compare the electrocardiographic features of P-VR and typical ventriculophasic response (T-VR). METHODS The 12‑lead electrocardiogram (ECG) data recorded… read more here.

Keywords: ventriculophasic response; electrocardiographic features; qrs complex; paradoxical ventriculophasic ... See more keywords

INCREMENTAL DIAGNOSTIC ACCURACY OF HIGH FREQUENCY QRS ANALYSIS OVER ST-ANALYSIS FOR MYOCARDIAL ISCHEMIA: MULTI-CENTER PROSPECTIVE COHORT

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recommendations! Published in 2017 at "Journal of the American College of Cardiology"

DOI: 10.1016/s0735-1097(17)33407-1

Abstract: Background: Exercise stress electrocardiography (ECG) alone is underutilized despite guideline recommendations in part due to poor diagnostic accuracy. High frequency QRS analysis (HF-QRS) is a novel tool to supplement standard ST-analysis during stress ECG. We… read more here.

Keywords: high frequency; analysis; diagnostic accuracy; frequency qrs ... See more keywords

Association Between QRS Characteristics in Pulseless Electrical Activity and Survival Outcome in Cardiac Arrest Patients: A Systematic Review and Meta-Analysis

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recommendations! Published in 2024 at "Prehospital Emergency Care"

DOI: 10.1080/10903127.2024.2360139

Abstract: Abstract Objective Recent studies have shown inconsistent results regarding the association between QRS characteristics and survival outcomes in patients with cardiac arrest and pulseless electrical activity (PEA) rhythms. This meta-analysis aimed to identify the usefulness… read more here.

Keywords: qrs characteristics; meta analysis; qrs; cardiac arrest ... See more keywords