diathermy short wave diathermy 2023-03-02T20:15:39Z short-wave diathermy radio-frequency diathermy radio frequency heating SWD shortwave diathermy A form of deep heat therapy can induce vasodilatation, elevation of pain threshold, reduction in muscle spasm, acceleration of cellular metabolism, increased soft tissue extensibility, increase blood flow, decrease joint pain and stiffness, reduce inflammation, faster resolution of edema, and accelerate wound healing.