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Short wave diathermy

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Short wave diathermy

  1. 1. SHORT WAVESHORT WAVE DIATHERMYDIATHERMY Dr. Deepak AnapDr. Deepak Anap Asso. ProfessorAsso. Professor
  2. 2. PHYSIOLOGICAL EFFECTS The principal effect of SWD on the body is the production of heat in the tissues due to the rise of temperature. 1. Increased metabolism: •Heating tissues accelerates chemical changes such as metabolism, so oxygen and food stuffs are used up. •With increased metabolism, there will be increased output of waste products.
  3. 3. 2. Increased blood supply: •As a result of increased output of waste products such as metabolites, which act on the walls of the capillaries and arterioles, these tissues dilate. •In addition, heat has direct effect on blood vessels, causing vasodilatation. •Heat also produces stimulation of superficial nerve endings, causing reflex dilatation of the arterioles.
  4. 4. 3. General rise of temperature: •As blood passes through the heated tissues, it also becomes heated and carries the heat to other body parts. •Rise of temperature induces muscle relaxation and increases the efficiency of muscle action.
  5. 5. 4. Fall in blood pressure: •The generalized vasodilatation reduces the peripheral resistance to blood flow. •Heat also reduces blood viscosity, which helps in the reduction of blood pressure.
  6. 6. 5. Increased activity of sweat glands: •If a general rise of temperature occurs, there will be increased activation of the sweat glands.
  7. 7. Therapeutic Uses 1.1. Effect on InflammationEffect on Inflammation Assist in removal of Waste Products All these effects bring about resolution of inflammation
  8. 8. 2. Effect on Bacterial Infection2. Effect on Bacterial Infection • Inflammation is normal response of Body to bacteria •Heating the tissue auguments these changes so reinforces body's normal mechanism to of dealing with infecting organisms Ex. Boils, Carbuncles, Abscesses.
  9. 9. 3. Traumatic Conditions3. Traumatic Conditions Healing
  10. 10. 4. Reducing Healing time4. Reducing Healing time • Increased Blood supply • More Nutritive Material •More O2 supply
  11. 11. 5. Relief of Pain5. Relief of Pain • Sedative Effect • Removal of Waste Products • Resolution of Inflammation • Counter irritation
  12. 12. 6. Effect on Muscle Tissue6. Effect on Muscle Tissue • Muscle relaxation • Relief of Muscle Spasm
  13. 13. USESUSES • Musculoskeletal Disorders  Degenerative Joint Disorders Ex. OA and RA  Sprain  Strain  Hematoma  Muscle & tendon Tears  Capsule Lesions
  14. 14. • Inflammatory Conditions  Boils  Carbuncles  Sinusitis  Pelvic Conditions  Infected Surgical Incisions

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