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[The influence of electric 50 Hz fields on humans (author's transl)]. 1979

S Schuy, and R Waibel

The investigations concerning the influence of supply-frequent electric fields on man have been carried out on 12 subjects in 24 single trials. A field intensity as it occurs in the height of the subjects' head under a 380 kV high voltage transmission line was used. Some physiological parameters like ECG, EEG, blood pressure, blood gas and reaction time have been recorded and analyzed. The parameters were both analogously recorded and digitally stored as indicated in Fig. 2. Some of the investigations were carried out under mental load of the subjects and showed that the changes in the heartrate due to this load cover the switch-off effect of the heartrate. For the other parameters like EEG, reaction time, blood gas and blood pressure no influence of the investigated field intensity on man could be found.

UI MeSH Term Description Entries
D009424 Nervous System Physiological Phenomena Characteristic properties and processes of the NERVOUS SYSTEM as a whole or with reference to the peripheral or the CENTRAL NERVOUS SYSTEM. Nervous System Physiologic Processes,Nervous System Physiological Processes,Nervous System Physiology,Nervous System Physiological Concepts,Nervous System Physiological Phenomenon,Nervous System Physiological Process,Physiology, Nervous System,System Physiology, Nervous
D011674 Pulse The rhythmical expansion and contraction of an ARTERY produced by waves of pressure caused by the ejection of BLOOD from the left ventricle of the HEART as it contracts. Pulses
D011930 Reaction Time The time from the onset of a stimulus until a response is observed. Response Latency,Response Speed,Response Time,Latency, Response,Reaction Times,Response Latencies,Response Times,Speed, Response,Speeds, Response
D001784 Blood Gas Analysis Measurement of oxygen and carbon dioxide in the blood. Analysis, Blood Gas,Analyses, Blood Gas,Blood Gas Analyses,Gas Analyses, Blood,Gas Analysis, Blood
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D002320 Cardiovascular Physiological Phenomena Processes and properties of the CARDIOVASCULAR SYSTEM as a whole or of any of its parts. Cardiovascular Physiologic Processes,Cardiovascular Physiological Processes,Cardiovascular Physiology,Cardiovascular Physiological Concepts,Cardiovascular Physiological Phenomenon,Cardiovascular Physiological Process,Physiology, Cardiovascular,Cardiovascular Physiological Concept,Cardiovascular Physiological Phenomenas,Concept, Cardiovascular Physiological,Concepts, Cardiovascular Physiological,Phenomena, Cardiovascular Physiological,Phenomenon, Cardiovascular Physiological,Physiologic Processes, Cardiovascular,Physiological Concept, Cardiovascular,Physiological Concepts, Cardiovascular,Physiological Phenomena, Cardiovascular,Physiological Phenomenon, Cardiovascular,Physiological Process, Cardiovascular,Physiological Processes, Cardiovascular,Process, Cardiovascular Physiological,Processes, Cardiovascular Physiologic,Processes, Cardiovascular Physiological
D004560 Electricity The physical effects involving the presence of electric charges at rest and in motion.
D004562 Electrocardiography Recording of the moment-to-moment electromotive forces of the HEART as projected onto various sites on the body's surface, delineated as a scalar function of time. The recording is monitored by a tracing on slow moving chart paper or by observing it on a cardioscope, which is a CATHODE RAY TUBE DISPLAY. 12-Lead ECG,12-Lead EKG,12-Lead Electrocardiography,Cardiography,ECG,EKG,Electrocardiogram,Electrocardiograph,12 Lead ECG,12 Lead EKG,12 Lead Electrocardiography,12-Lead ECGs,12-Lead EKGs,12-Lead Electrocardiographies,Cardiographies,ECG, 12-Lead,EKG, 12-Lead,Electrocardiograms,Electrocardiographies, 12-Lead,Electrocardiographs,Electrocardiography, 12-Lead
D004569 Electroencephalography Recording of electric currents developed in the brain by means of electrodes applied to the scalp, to the surface of the brain, or placed within the substance of the brain. EEG,Electroencephalogram,Electroencephalograms
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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