The Resource Manual 

Basics of Diathermy

Indications 

• Osteoarthritis 

• Ankle sprains 

• Tissue heating

• Muscle spasm

• Pain relief

• Edema

• Tissue/wound healing

Contraindications

• Over neoplasic lesions

• Pregnant women

• Over hemorrhagic region

• Over metallic implants

• Neurostimulation/electronic implant system

• Over metallic objects worn by patient

• Over reproductive organs

Physiological Effects

• Increased collagen synthesis by fibroblasts

• Decreased nerve conduction velocity

Parameters

• Type of applicators

  • Capacitive

    • Rigid plates

    • Use for superficial soft tissues

    • Use for elbow, wrist, hand, knee, ankle, foot

  • Inductive

    • Metal coils wrapped around treatment area or in drum over the area

    • More penetrating

    • Use for neck, shoulder, trunk, hip

  • Capacitive Plates

    • Deep heat

• Frequency

  • 13.56 Mhz (22m)

  • 27.12 Mhz (11m) (most common)

  • 40.68 Mhz( 7m)