Biomedical subjects
R A HELM
Publications and source records attributed to R A HELM.
RECOMMENDATIONS OF THE PUBLIC HEALTH SERVICE ADVISORY COMMITTED ON IMMUNIZATION PRACTICE.
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ELECTROCARDIOGRAPHIC LEADS.
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THE SIGNIFICANCE OF A WIDE TSE LOOP.
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Electrocardiographic cancellation: mathematical basis.
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A universal system of electrode placement for electrocardiography and spatial vectorcardiography.
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Mathematical methods for analyzing leads.
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Is there an entity primary pulmonary hypertension?
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The scalar presentation of orthogonal leads.
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An accurate lead system for spatial vectorcardiography.
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A switching circuit for three-plane stereovectorcardiography.
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The effect of boundary contour on the distribution of dipole potential in a volume conductor.
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The lead vectors of multiple dipoles located on a transverse plane of Frank's homogeneous torso model.
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Vectorcardiographic notation.
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Nonspecific pericarditis and myocardial infarction.
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Theory of vectorcardiography: a review of fundamental concepts.
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The lead vectors of multiple dipoles located on an electrically homogeneous circular lamina.
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Right ventricular hypertrophy. I. Correlation of isolated right ventricular hypertrophy at autopsy with the electrocardiographic findings.
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