The normal variability of the electrocardiogram as a basis for differentiation between normal and abnormal in clinical electrocardiography.
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Electrocardiography↗
Biomedical subjects
E SIMONSON
Publications and source records attributed to E SIMONSON.
Adaptation to glare.
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Adaptation, Ocular↗
Russian physiology; cardiovascular aspects.
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Cardiovascular Physiological Phenomena↗
Effect of local cold application on the fusion frequency of flicker.
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Cold Temperature↗
Unipolar and bipolar electrocardiographic studies in dairy cattle.
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Animals↗
Respiratory changes of the spatial vectorcardiogram recorded with different lead systems.
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Humans↗
The total QRS duration.
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Electrocardiography↗
Changes of mean spatial QRS and T vectors and of conventional electrocardiographic items in hard anaerobic work.
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Electrocardiography↗
Changes of physical fitness and cardiovascular functions with age.
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Aging↗
Relationships between obesity and the pulse rate at rest and during work in young and older men.
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Cardiovascular Physiological Phenomena↗
The electrocardiographic exercise test: changes in the scalar ECG and in the mean spatial QRS and T vectors in two types of exercise; effect of absolute and relative body weight and comment on normal standards.
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Body Weight↗
Principles for determination of electrocardiographic normal standards.
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Electrocardiography↗
The effect of age on mean spatial QRS and T vectors.
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Aging↗
Photoelectric plethysmography; methods, normal standards, and clinical application.
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Peripheral Vascular Diseases↗
The diagnostic accuracy of Q3 and related electrocardiographic items for the detection of patients with posterior wall myocardial infarction.
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Cardiovascular Diseases↗
Contour of the toe pulse, reactive hyperemia, and pulse transmission velocity: group and repeat variability, effect of age, exercise, and disease.
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Exercise↗
Comparison of spatial instantaneous ECG vectors, measured with the SVEC, with mean vectors derived from conventional ECG leads.
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Genetic Vectors↗
The speed of ventricular activation measured in the spatial vectorcardiograms.
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Heart Ventricles↗