The Graham Johnson Cultural Arts Endowment  is happy to announce a new partnership program with MedFaxx, Inc.   MedFaxx is one of the oldest electrotherapy companies in the U.S.   Specializing in pain management using electrotherapy devices such as tens units, and the new combination tens and interferential therapy unit, - video on Infrex Plus.    MedFaxx has specialized in helping patients in chronic pain since 1977 and continues to do so.

      For every tens unit, transcutaneous electrical nerve stimulator, sold MedFaxx will contribute $50 to the GJCAE.  For every Infrex Plus combination tens and interferential unit sold MedFaxx will donate $100 the the GJCAE.   The donation does not apply to Medicare/Medicaid patients.

    The Board of MedFaxx is happy to be part of the GJCAE efforts to raise levels of self confidence and self esteem in youth with arts programming.

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Why is Frequency important in therapeutic ultrasound treatments and what is a megahertz? Print E-mail

  Most therapeutic ultrasound machines come with a choice of 1 or 3 megahertz frequencies and the clinician is left determining which of those frequencies is needed.  This is a definition of megahertz and which frequency is indicated in ultrasound therapy.

   A megahertz is defined as, abbreviated MHz, a unit of alternating current (AC) or electromagnetic (EM) wave frequency equal to one million hertz (1,000,000 Hz).  This frequency is inadubile to humans as it exceeds human ability to hear at this frequency, most people lose hearing abilities at 20,000 Hz.. 

   The frequency of therapeutic ultrasound is important, depending on the area being treated for pain relief, or for accelerating healing due to injury.  There is an inverse relationship between higher frequency and depth of penetration.  As the frequency increases from 1 to 3 MHz, the depth of penetration decreases, ie. higher the frequency the less penetration.


 

 


   The depth of penetration is important if the ultrasound treatment is on an ankle,  knuckle, elbow, TMJ ( temporo mandibular joint), knee or other area that is close to the surface that is being treated.   In order to create heat for a knuckle the clinician will set the frequency to 3 MHz because the area being treated is close to the surface and higher frequency has less penetration so the treatable tissues are being targeted better.

   If a patient is suffering from back pain, sciatica, shoulder pain, hip pain or other areas where the tissues are deeper near joints with muscle tissue, or where muscle tissue is the targeted tissue then 1 MHz is used since deeper penetration is needed to treat to the affected area.  

    Many therapeutic ultrasound units come with a choice of frequencies, however for home use it is unnecessary to have multiple frequency choices but more important to have the frequency necessary for the patient's condition.  In acute situations it is more beneficial for a patient to rent ultrasound unit for home use rather than go back and forth at greater cost to clinics for short ultrasound treatments.

    Ultrasound therapy is indicated for many pain conditions and is beneficial for accelerating tissue repair.

 

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