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mod9 heat

heat

QuestionAnswer
Conduction: The gain or loss of heat as a result of direct contact between two materials at different temperatures.
Conduction: Examples include hot pack, paraffin, ice massage, and ice pack.
Convection: The gain or loss of heat as a result of air or water moving in a constant motion across the body.
Convection: Examples include fluidotherapy and whirlpool.
Conversion: The transfer of heat when nonthermal energy (mechanical, electrical) is absorbed into tissue and transformed into heat.
Conversion: Examples include diathermy and ultrasound.
Evaporation: The transfer of heat as a liquid absorbs energy and changes form to a vapor.
Evaporation: An example is a vapocoolant spray.
Radiation: The direct transfer of heat from a radiation energy source of higher temperature to one of cooler temperature. Heat energy is directly absorbed without the need for a medium.
Radiation: An example is an infrared lamp.
Heating Agents Therapeutic Effects-- Increase temperature
Heating Agents Therapeutic Effects-- Increase blood flow to the treated area
Heating Agents Therapeutic Effects-- Decrease nerve conduction latency
Heating Agents Therapeutic Effects-- Temporarily decrease muscle strength
Heating Agents Therapeutic Effects-- Increase pain threshold
Heating Agents Therapeutic Effects-- Increase edema
Heating Agents Therapeutic Effects-- Vasodilation
Heating Agents Therapeutic Effects-- Increase nerve conduction velocity
Heating Agents Therapeutic Effects-- Increase metabolic rate
Heating Agents Therapeutic Effects-- Increase muscle elasticity
Heating Agents Therapeutic Effects-- Increase collagen extensibility
Heating Agents Therapeutic Effects-- Decrease tone
Heating Agents Indications-- Pain control
Heating Agents Indications-- Chronic inflammatory conditions
Heating Agents Indications-- Trigger point
Heating Agents Indications-- Tissue healing
Heating Agents Indications-- Muscle spasm
Heating Agents Indications-- Decreased range of motion
Heating Agents Indications-- Desensitization
Heating Agents Contraindications-- Circulatory impairment
Heating Agents Contraindications-- Area of malignancy
Heating Agents Contraindications-- Acute musculoskeletal trauma
Heating Agents Contraindications-- Bleeding or hemorrhage
Heating Agents Contraindications-- Sensory impairment
Heating Agents Contraindications-- Thrombophlebitis
Heating Agents Contraindications-- Arterial disease
High-volt pulsed current, also known as high-volt or high-voltage pulsed galvanic current, is a twin-peak (pair of monophasic spike waveforms) monophasic, pulsed current.
High-volt pulsed current It is differentiated from other stimulators by the high electromotive forces produced.
HVPC has a phase duration of 5-20 microseconds (fixed in most machines), a short pulse duration (includes both spikes and the interspike interval) that ranges between 100-200 microseconds, and voltage greater than 150V to a maximum of 500V.
High-volt pulsed current There is one large dispersive pad along with one, two or four active electrodes. The active electrodes can be positive or negative in polarity based on the treatment goals.
High-voltage pulsed current is used in wound and pain management, soft tissue edema, muscle spasm, and Bellʼs palsy.
A hot pack consists of a canvas or nylon covered pack filled with a hydrophilic silicate gel that provides a moist heat.
The size and shape of the hot pack varies depending on the size and contour of the treatment area. A hot pack is easy to use, inexpensive, and can cover large areas.
The main therapeutic effects oh hot pack include soft tissue healing, promoting relaxation, and decreasing pain and stiffness.
Disadvantages of a hot pack include the need for close monitoring of the skin, the inability to maintain total contact, and the inability to move during treatment.
A hot pack must be stored in hot water between 158 to 167 degrees Fahrenheit (70 to 75 degrees Celsius).
Application requires six to eight layers of towels around the hot pack.
The hot pack should be applied on top of the patient.
If the patient lies on top of the hot pack additional towels are required.
Skin checks are required after five minutes for excess redness or signs of a burn.
A patient must have a call device to notify the therapist of discomfort.
Hot packs require approximately 20 minutes to achieve the desired effects.
Created by: micah10