The Inside-Out Electrocardiographic Stress Test: a View From the Left Ventricular Cavity

A new method is described for measuring the unipolar left ventricular cavitary electrogram by means of a standard pigtail ventriculography catheter. Experiences with this technique in 30 patients are described with particular reference to changes in the S-T segment of the cavitary elec trogram durin...

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Bibliographic Details
Published in:Angiology 1977-06, Vol.28 (6), p.384-393
Main Authors: Macalpin, Rex N., Cabeen, William R.
Format: Article
Language:English
Subjects:
Angina Pectoris - diagnosis
Bundle of His - physiopathology
Cardiac Catheterization
Coronary Disease - diagnosis
Electrocardiography - methods
Heart Conduction System - physiopathology
Heart Diseases - diagnosis
Heart Ventricles - physiopathology
Humans
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Summary:A new method is described for measuring the unipolar left ventricular cavitary electrogram by means of a standard pigtail ventriculography catheter. Experiences with this technique in 30 patients are described with particular reference to changes in the S-T segment of the cavitary elec trogram during cardiac stress by atrial pacing. This method allows conve nient recording of His bundle potentials from the left ventricular outflow tract in most patients.
ISSN:0003-3197
1940-1574
DOI:10.1177/000331977702800603