HEMODYNAMIC INDICES DURING THE ACTION OF SUPER-HIGH FREQUENCY ELECTROMAGNETIC FIELDS
Monavenkova AM, Sadchikova MN · 1966
1966 Soviet research documented measurable cardiovascular changes during super-high frequency electromagnetic field exposure in humans.
Plain English Summary
Soviet researchers Monavenkova and Sadchikova studied how super-high frequency electromagnetic fields affect blood circulation and cardiovascular function in humans. This 1966 technical report examined hemodynamic indices (measurements of blood flow, pressure, and heart function) during EMF exposure. The research represents early documentation of cardiovascular effects from radiofrequency electromagnetic fields.
Why This Matters
This 1966 Soviet research represents some of the earliest systematic investigation into how radiofrequency electromagnetic fields affect human cardiovascular function. The fact that researchers were measuring hemodynamic changes during EMF exposure suggests they observed significant effects on blood circulation, heart rate, or blood pressure. What makes this particularly relevant today is that super-high frequency fields are now ubiquitous in our environment through WiFi, cell phones, and other wireless devices operating at similar frequencies.
The timing of this research is significant. Soviet scientists were investigating biological effects of EMF decades before these technologies became widespread consumer products. While we don't have the specific findings, the very fact that cardiovascular effects warranted a technical report suggests the changes were measurable and concerning enough to document. This early research laid groundwork for understanding how EMF exposure affects one of our most vital biological systems.
Exposure Information
Specific exposure levels were not quantified in this study.
Study Details
To conduct a more thorough investigation of the functional state of the circulatory system during chronic exposure to super-high frequency electromagnetic fields.
Thirty-four persons (30 men and 4 women) periodically exposed to intense SHF radiation (up to severa...
Thirty-four persons were studied. Eight persons exhibited initial radiation effects in the form of m...
Exposure to SHF of considerable intensity not only causes pathological changes in the nervous system, but brings about deviations in the functional state of the circulatory system as well. In the clinical picture of patients with moderate and pronounced symptoms of SHF exposure, neuro-circulatory disorders with a tendency to hypertension are dominant. Analysis of pulse-wave velocity in myogenic and elastic type vessels, of the elasticity modulus, and of the ratio between the elastic moduli of the two types of vessels, indicates that the elasticity of the walls of myogenic type vessels increases during all stages of chronic exposure to SHF electromagnetic fields. Data on peripheral resistance showed increased resistance in the precapillary system, and EKG analysis revealed changes in intra-cardiac conductivity and sinus bradycardia, due apparently to disturbances in the extracardiac regulation of cardiac activity. Analysis of the data yielded by clinical and physiological studies of the cardiovascular system did not permit establishment of a firm correlation between hemodynamic disorders and pathological deviations due to SHF exposure. However, in subjects with moderate and pronounced symptoms of exposure, changes in hemodynamic indices were found to occur much more frequently.
Show BibTeX
@article{hemodynamic_indices_during_the_action_of_super_high_frequency_electromagnetic_fi_g6680,
author = {Monavenkova AM and Sadchikova MN},
title = {HEMODYNAMIC INDICES DURING THE ACTION OF SUPER-HIGH FREQUENCY ELECTROMAGNETIC FIELDS},
year = {1966},
}