Low QRS voltage and its causes

John E. Madias

doi:10.1016/j.jelectrocard.2008.06.021

Low QRS voltage and its causes

John E. Madias

Research output: Contribution to journal › Article › peer-review

84 Scopus citations

Abstract

Electrocardiographic low QRS voltage (LQRSV) has many causes, which can be differentiated into those due to the heart's generated potentials (cardiac) and those due to influences of the passive body volume conductor (extracardiac). Peripheral edema of any conceivable etiology induces reversible LQRSV, reduces the amplitude of the P waves and T waves, decreases the duration of P waves, QRS complexes, and QT intervals, and alters in turn the measurements of the signal-averaged electrocardiogram and T wave alternans, all with enormous clinical implications.

Original language	English
Pages (from-to)	498-500
Number of pages	3
Journal	Journal of Electrocardiology
Volume	41
Issue number	6
DOIs	https://doi.org/10.1016/j.jelectrocard.2008.06.021
State	Published - Nov 2008
Externally published	Yes

Keywords

Causes of low QRS voltage
ECG
Electrical resistivity of body tissues
Low QRS voltage
Passive body volume conductor

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10.1016/j.jelectrocard.2008.06.021

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abstract = "Electrocardiographic low QRS voltage (LQRSV) has many causes, which can be differentiated into those due to the heart's generated potentials (cardiac) and those due to influences of the passive body volume conductor (extracardiac). Peripheral edema of any conceivable etiology induces reversible LQRSV, reduces the amplitude of the P waves and T waves, decreases the duration of P waves, QRS complexes, and QT intervals, and alters in turn the measurements of the signal-averaged electrocardiogram and T wave alternans, all with enormous clinical implications.",

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AB - Electrocardiographic low QRS voltage (LQRSV) has many causes, which can be differentiated into those due to the heart's generated potentials (cardiac) and those due to influences of the passive body volume conductor (extracardiac). Peripheral edema of any conceivable etiology induces reversible LQRSV, reduces the amplitude of the P waves and T waves, decreases the duration of P waves, QRS complexes, and QT intervals, and alters in turn the measurements of the signal-averaged electrocardiogram and T wave alternans, all with enormous clinical implications.

KW - Causes of low QRS voltage

KW - ECG

KW - Electrical resistivity of body tissues

KW - Low QRS voltage

KW - Passive body volume conductor

UR - https://www.scopus.com/pages/publications/55649120871

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JO - Journal of Electrocardiology

JF - Journal of Electrocardiology

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ER -

Low QRS voltage and its causes

Abstract

Keywords

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