Quantifying QRS changes during myocardial ischemia: Insights from high frequency electrocardiography
G Amit, Y Granot, S Abboud - Journal of electrocardiology, 2014 - Elsevier
Over four decades of high frequency electrocardiography research have provided a body of
knowledge about QRS changes during myocardial ischemia, and the techniques to measure …
knowledge about QRS changes during myocardial ischemia, and the techniques to measure …
[PDF][PDF] ECG statistics, noise, artifacts, and missing data
Chapter 1 presented a description of the ECG in terms of its etiology and clinical features,
and Chapter 2 an overview of the possible sources of error introduced in the hardware …
and Chapter 2 an overview of the possible sources of error introduced in the hardware …
Heart age estimated using explainable advanced electrocardiography
T Lindow, I Palencia-Lamela, TT Schlegel… - Scientific Reports, 2022 - nature.com
Abstract Electrocardiographic (ECG) Heart Age conveying cardiovascular risk has been
estimated by both Bayesian and artificial intelligence approaches. We hypothesised that …
estimated by both Bayesian and artificial intelligence approaches. We hypothesised that …
ECG techniques and technologies
JL Garvey - Emergency Medicine Clinics, 2006 - emed.theclinics.com
The electrocardiogram (ECG) continues to be a critical component of the evaluation of
patients who have signs and symptoms of emergency cardiac conditions. This tool is now …
patients who have signs and symptoms of emergency cardiac conditions. This tool is now …
QRS slopes for detection and characterization of myocardial ischemia
In this study, the upward (I US) and downward (I DS) slopes of the QRS complex are
proposed as indices for quantifying ischemia-induced electrocardiogram (ECG) changes …
proposed as indices for quantifying ischemia-induced electrocardiogram (ECG) changes …
Accuracy of advanced versus strictly conventional 12-lead ECG for detection and screening of coronary artery disease, left ventricular hypertrophy and left ventricular …
TT Schlegel, WB Kulecz, AH Feiveson… - BMC cardiovascular …, 2010 - Springer
Background Resting conventional 12-lead ECG has low sensitivity for detection of coronary
artery disease (CAD) and left ventricular hypertrophy (LVH) and low positive predictive value …
artery disease (CAD) and left ventricular hypertrophy (LVH) and low positive predictive value …
When deriving the spatial QRS-T angle from the 12-lead electrocardiogram, which transform is more Frank: regression or inverse Dower?
DL Cortez, TT Schlegel - Journal of Electrocardiology, 2010 - Elsevier
INTRODUCTION: Our primary objective was to ascertain which commonly used 12-to-Frank-
lead transformation yields spatial QRS-T angle values closest to those obtained from …
lead transformation yields spatial QRS-T angle values closest to those obtained from …
Ventricular dyssynchrony assessment using ultra-high frequency ECG technique
Purpose The aim of this proof-of-concept study is to introduce new high-dynamic ECG
technique with potential to detect temporal-spatial distribution of ventricular electrical …
technique with potential to detect temporal-spatial distribution of ventricular electrical …
Diagnostic utility of the spatial versus individual planar QRS-T angles in cardiac disease detection
RA Brown, TT Schlegel - Journal of Electrocardiology, 2011 - Elsevier
INTRODUCTION: We compared the diagnostic utility of various planar QRS-T angles to that
of the spatial QRS-T angle in detecting various cardiac diseases. MATERIALS AND …
of the spatial QRS-T angle in detecting various cardiac diseases. MATERIALS AND …
Detection of hypertrophic cardiomyopathy is improved when using advanced rather than strictly conventional 12-lead electrocardiogram
SLP Potter, F Holmqvist, PG Platonov, K Steding… - Journal of …, 2010 - Elsevier
INTRODUCTION: Twelve-lead electrocardiogram (ECG) is used to screen for hypertrophic
cardiomyopathy (HCM), but up to 25% of HCM patients do not have distinctly abnormal …
cardiomyopathy (HCM), but up to 25% of HCM patients do not have distinctly abnormal …