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what is diathermy and dipole rotation?

Diathermy

  • Diathermy is the use of high frequency electric current to produce heat
  • Used to either cut or destroy tissue or to produce coagulation
  • Mains electricity is 50 Hz and produces intense muscle and nerve activation
  • Electrical frequency used by diathermy is in the range of 300 kHz to 3 MHz
  • Patients body forms part of the electrical circuit
  • Current has no effect on muscles.


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