The Speed of Ventricular Activation Measured in the Spatial Vectorcardiograms | Zendy

Ernst Simonson | Zendy; Otto H. Schmitt | Zendy; Henry Blackburn | Zendy; Raphael B. Levine | Zendy

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The Speed of Ventricular Activation Measured in the Spatial Vectorcardiograms

Author(s) -

Ernst Simonson,

Otto H. Schmitt,

Henry Blackburn,

Raphael B. Levine

Publication year - 1955

Publication title -

circulation research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.899

H-Index - 336

eISSN - 1524-4571

pISSN - 0009-7330

DOI - 10.1161/01.res.3.4.409

Subject(s) - qrs complex , cardiology , crest , medicine , physics , optics

The total QRS interval or R wave crest time in single leads is not accurate for measuring the total ventricular activation time, and is inadequate for an estimate of the ventricular activation rate, as related to the directional time rate of excitation of the total contributing muscle mass. For a more detailed and precise analysis of the ventricular activation, the angular speed in the central segment of the spatial QRS loop was determined in 103 normal men and 26 patients, and significant differences independent of the total QRS duration were obtained.

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