QRS Axis (observable entity)

Known as: QRS axis, QRS_AXIS 
A numerical representation of the electrocardiographic vector assessed at maximum deviation of the QRS complex from the isoelectric baseline, usually… (More)
National Institutes of Health

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2008
2008
OBJECTIVE Determination of the prevalences and predictive values of specific electrocardiograms (ECG) criteria of right… (More)
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2007
Highly Cited
2007
BACKGROUND Reference ranges for electrocardiogram (ECG) intervals, heart rate, and QRS axis in general use by medical personnel… (More)
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2007
2007
Using the additional information from multi-lead body surface potential recordings we aimed to study ECG features to predict the… (More)
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Highly Cited
2002
Highly Cited
2002
STUDY OBJECTIVES To determine the utility of the ECG for predicting clinical status in adults with primary pulmonary hypertension… (More)
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1999
1999
BACKGROUND The rate-corrected QT interval (QTc) is heritable, and the discovery of quantitative trait loci that influence the QTc… (More)
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1994
1994
We have investigated resting electrocardiograms in 1,299 athletic students and 151 sedentary control subjects. ST elevations were… (More)
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1987
1987
In order to examine the electrocardiographic (ECG) changes which occur with advancing age we defined an apparently healthy… (More)
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1986
1986
Effect of inspiratory and expiratory phases of normal quiet breathing, deep breathing and savitri pranayam type breathing on… (More)
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1985
1985
An electrocardiographic atlas of ventricular tachycardias was produced by pacing 27 epicardial sections of the heart and the… (More)
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