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mod9 heat
heat
| Question | Answer |
|---|---|
| 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
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