A Differential Vectorcardiograph

A vectorcardiograph was designed and constructed for the purpose of separating and recording the temporal components (P form, QRS form, and T form) of the spatial vectorcardiogram in two planes. The equipment consists of a network to convert the patient voltages into an orthogonal set, a three‐chann...

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Bibliographic Details
Published in:Review of scientific instruments 1950-09, Vol.21 (9), p.805-811
Main Authors: Briller, Stanley A., Marchand, Nathan, Kossmann, Charles E.
Format: Article
Language:English
Subjects:
Electrocardiography
Humans
Old Medline
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Summary:A vectorcardiograph was designed and constructed for the purpose of separating and recording the temporal components (P form, QRS form, and T form) of the spatial vectorcardiogram in two planes. The equipment consists of a network to convert the patient voltages into an orthogonal set, a three‐channel low frequency amplifier, a synchronized timing unit, a dual‐beam oscilloscope, a time marker, an electronically operated camera, and a simultaneous direct‐writing recorder.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1745723