Diathermia

Diathermia is a therapeutic method that utilizes heat generated by high-frequency electric currents applied to the body. The term itself is derived from Greek words meaning "through heat." This modality is commonly employed in physiotherapy and rehabilitation settings to promote tissue healing, reduce pain, and alleviate muscle spasms. The heat generated by diathermia penetrates deeply into the tissues, increasing blood flow and metabolism. This enhanced circulation is believed to aid in the removal of metabolic waste products and deliver oxygen and nutrients to injured areas, thereby accelerating the healing process.

There are several types of diathermia devices, most notably shortwave diathermy and microwave diathermy. Shortwave diathermy uses radio waves in the frequency range of 10 to 100 megahertz, while microwave diathermy uses higher frequencies. The choice of device and specific parameters such as power output and treatment duration are determined by the condition being treated and the individual patient's needs. Contraindications for diathermia include the presence of pacemakers, metal implants, acute inflammation, and certain sensory deficits. It is important that diathermia be administered by a trained healthcare professional to ensure its safe and effective application.