Evaluating a patient's ANS State using Nerve-Express before and after any treatment or test can provide an accurate and reproducible evaluation of treatment efficacy. For example, see Figures 8 - 11.
The measurements on figures 8a,b is example of a healthy, fit person. This can be further appreciated from Fig. 8b, which represent the spectral function graph of HRV. It is worthy to note that in the Supine and Upright position the spectral functions in Fig. 8b has two dominant peaks - one in the Low frequency range, and the other in the borderline between the High and the Low frequencies - Middle frequency peak (MF), which corresponds to the sensitivity of baroreceptors system.
Another example can be seen in Figures, 9 and 10 which represents a patient's ANS State pre-and-post upper cervical manipulation. On figure 9 the orthostatic test result seems normal.
This example is interesting in showing a strong stimulating effect of treatment on mostly SNS, which is reflected in a sharp increase in amplitude of the Low frequency range (Smax (LF)) in the upright position. Occasionally, after treatment the changes in ANS activity or balance are not reflected through the standard use of Nerve-Express. Balance indicates essentially a normal healthy patient. When using Nerve-Express it is necessary to realize that any expected reaction of the ANS is not only dependent on the kind or the intensity of influence, but it is also determined by the functional state of the ANS itself, and its ability to react. For example, in the case of involutionary degeneration of the nervous centers of ANS (i.e. the geriatric patient and with degenerative cardiovascular disorders, with a decrease in the receptor sensitivity), it is impossible to expect an adequate ANS reaction, for example see fig. 11 (cardio-vascular disease patient).
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