In capacitive field diathermy, where are the electrodes placed?

In capacitive field diathermy, where are the electrodes placed?

• A. Two plate electrodes on each side of the body
• B. Wrapped around the body part
• C. Towels soak up moisture
• D. Space between cables

Answer: (A)

Capacitive diathermy heats tissue by creating an electric field with two conductive plates placed on opposite sides of the treatment area. Placing the plates on opposite sides forms a capacitor, with the tissue between them acting as the dielectric. This arrangement drives the current through the target tissue, producing heat where the field is concentrated, especially in tissues with higher water content. Choosing plates on both sides of the body part ensures the energy is delivered across the desired area. Wrapping around the limb would not establish the proper two-platform capacitor configuration. Moisture-soaked towels would alter conductivity and disrupt control of heating. Simply having energy between cables does not create the intended, uniform field across the tissue.

Capacitive diathermy heats tissue by creating an electric field with two conductive plates placed on opposite sides of the treatment area. Placing the plates on opposite sides forms a capacitor, with the tissue between them acting as the dielectric. This arrangement drives the current through the target tissue, producing heat where the field is concentrated, especially in tissues with higher water content.

Choosing plates on both sides of the body part ensures the energy is delivered across the desired area. Wrapping around the limb would not establish the proper two-platform capacitor configuration. Moisture-soaked towels would alter conductivity and disrupt control of heating. Simply having energy between cables does not create the intended, uniform field across the tissue.