Dr Hal Brown, Naturopathic Physician
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Research studies in the use of electro-dermal testing:

ElectroDermal Analysis: A Scientific Correlation with Pathophysiology

Non-Invasive Testing

BioMeridian Video
A 17 minute video (Windows Media Player) explaining the BioMeridian Machine.

Electro-Dermal (VEGA) Testing
BioMeridian MSAS Testing Device:
Measures changes in skin resistance.

Electro-Dermal Testing is a form of electro-acupuncture testing used in our clinic. We have found the BioMeridian MSAS technology to be the most specific and comprehensive available to date and have updated from our vega machine. Electro-Dermal testing is a non-invasive energetic evaluation.  It was developed in Germany over the last 35 years by a number of physicians, dentists and scientists, and applies biophysical techniques to Oriental acupuncture. The original technique started in 1953 by Dr. Voll was a complex procedure involving measuring hundreds of acupuncture points. The Electro-Dermal testing method is the culmination of much of this research.

The skin resistance on the acupuncture point is measured by producing a slight potential difference (voltage) between a tip electrode held against the point and a large hand electrode held by the patient.

The procedure measures changes in skin resistance at the acupuncture point in circuit with the patient. The testing is painless, involving no needles, shocks, scratches etc., and allows for specifiirstc information regarding the patient's health phase of disease, and which precede the more advanced visible tissue changes phase.

The testing procedures involve several stages :

This test (organ scan) shows energetic imbalance in specific organs and may identify general areas of system stress that may require further investigation.  These results are not diagnositic but rather supplement other means in diagnosis and treatment.

Subseqent testing depends on the major findings of the intial tests, physical examination and history. It may involve a search for more specific toxins, infections, food sensitivities, focal stressors, dental foci or other underlying significant health stressors.

Follow up testing may occur on a regular basis to monitor the progress of the recommended treatment programs and to determine if other deeper problems may be of significance.

Although the Electo-Dermal Testing cannot be used for absolute diagnosis, its value as an indicator of underlying dysfunction is of great benefit.

Further information: A Bibliography of Studies and Articles by Associates of the Foundation for East-West Medicine on the Electrodermal Screening Test (EDST)