Zobrazeno 1 - 10 of 26 pro vyhledávání: '"Manuel Gardberg"'
3
The normal human ventricular gradient
Autor: Manuel Gardberg, Richard Ashman, Edwin Byer
Publikováno v: American Heart Journal. 26:473-494
The analysis of any diphasic ventricular complex of the electrocardiogram from the standpoint that it is produced by the summation of two monophasic curves has certain advantages. By use of this method it is shown that, other things being equal, the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5449f9f85adf6f9e5b7441a5dc74f9c
https://doi.org/10.1016/s0002-8703(43)90149-8
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4
A Simple Geometric Analysis of Cardiac Potentials as Recorded at Points Close to the Heart
Autor: Manuel Gardberg
Publikováno v: Circulation. 9:563-570
A simple geometric method is employed to investigate the theoretically expected potentials at an electrode close to the heart as a dipole moves about in an area in the chest occupied by the heart. The considerable error resulting from the assumption
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a89c3f4ea0a885a3c334d15799eaa69c
https://doi.org/10.1161/01.cir.9.4.563
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5
The Electrocardiogram and Vectorcardiogram of the Normal Infant
Autor: Irving L. Rosen, Manuel Gardberg
Publikováno v: Diseases of the Chest. 32:493-519
SUMMARY 1.Electrocardiograms and vectorcardiograms (both the cube and tetrahedron frames of reference) were recorded on 300 infants one to 30 days of age. These infants were restudied at intervals of one to three months during the first year and ever
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1aa59f3b3f8e05747b0b574f31bc10f4
https://doi.org/10.1378/chest.32.5.493
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7
A theoretic analysis of the effects of dipole eccentricity upon the manifest vectors, the manifest QRS loops and the potential of the central terminal
Autor: Manuel Gardberg
Publikováno v: Circulation. 10(4)
Assuming homogeneous conductivity and a limitless medium, a theoretic analysis accomplished by employing a model leads to the conclusion that dipole eccentricity produces a systematic error in the magnitude and direction of the instantaneous manifest
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d6cf3320f3ccb58aeaa8e019c80d660
https://pubmed.ncbi.nlm.nih.gov/13209742
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8
The electrocardiogram and vectorcardiogram in various degrees of left bundle branch block
Autor: Manuel Gardberg, Irving L. Rosen
Publikováno v: The American journal of cardiology. 1(5)
Electrocardiograms and vectorcardiograms were recorded simultaneously from a patient with varying degrees of left bundle branch block. It was found that a slight degree of left bundle branch block is unrecognizable as an abnormality either in the ele
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b735611a830729dd3e4a0f4b4cf1ce23
https://pubmed.ncbi.nlm.nih.gov/13520627
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10
Monophasic curve analysis and the ventricular gradient in the electrogram of strips of turtle ventricle
Autor: Irving L. Rosen, Manuel Gardberg
Publikováno v: Circulation research. 7
Experiments were performed to test the validity of representing the bipolar electrogram as the algebraic sum of two monophasic curves and the validity of Wilson's concept of the significance of the area, AQRS plus AT. An electronic integrator was emp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9edf26eb79bc3aa77c4f480401415738
https://pubmed.ncbi.nlm.nih.gov/13826483
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