PDF Notes: didynamic_simplified

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    What is the recommended intensity for electrical stimulation therapy?

    The intensity should be increased gradually until vibration or prickling is felt, but it should not reach tetanic contraction.

    What is the maximum duration for each session of electrical stimulation therapy?

    The maximum duration for each session is 12 minutes, with each type of current applied for approximately 3 minutes.

    How often should electrical stimulation therapy be administered?

    Electrical stimulation therapy should be administered daily or on alternate days for a total of 12 sessions.

    What are the primary indications for using electrical stimulation therapy?

    Electrical stimulation therapy is used for pain and swelling relief in soft tissue injuries, joint problems, circulatory issues, and peripheral nerve problems.

    What are the contraindications for electrical stimulation therapy?

    Contraindications include open skin, bony areas, loss of sensation, skin diseases, infections, thrombosis, pacemakers, surface metal, tumors, and pregnancy.

    What physiological effects does electrical stimulation have on circulation?

    Electrical stimulation reduces sympathetic activity, causes vasodilation, and releases histamine due to current effects.

    How does electrical stimulation therapy promote tissue healing?

    It promotes tissue healing by improving circulation and increasing cell activity.

    What are the individual current effects of Didynamic current types?

    DF causes mild prickling, MF provides strong vibration for pain relief without spasm, CP induces rhythmic contractions for traumatic pain, and LP offers long-lasting pain relief helpful in neuralgia.

    What is the recommended electrode application for electrical stimulation therapy?

    Carbon rubber or metal electrodes with pads should be used, with two equal-sized electrodes placed on both sides of the area and a small electrode on the trigger point.

    What is the difference between Monophasic Fixed (MF) and Diaphasic Fixed (DF) currents?

    MF is a half-wave rectified sinusoidal current with a frequency of 50 Hz, while DF is a full-wave rectified sinusoidal current that provides continuous 10 ms sinusoidal pulses at 100 Hz.

    What are the therapeutic effects of electrical stimulation therapy?

    Therapeutic effects include pain relief, decreased swelling and inflammation, muscle strengthening and retraining, improved local blood circulation, and assistance in tissue healing.

    How does electrical stimulation therapy help in pain relief?

    It blocks pain signals through the pain gate mechanism, releases natural pain-relieving chemicals, increases blood flow to remove irritants, and uses vibration to reduce pain sensation.

    What role does electrical stimulation play in reducing swelling?

    Increased blood flow from electrical stimulation, particularly through CP and LP currents, helps reduce edema by improving circulation.

    How can Didynamic current be used for muscle reeducation?

    Didynamic current can help muscles contract and can be combined with weights for strengthening exercises.

    What is the surge time for LP (long periods) in electrical stimulation therapy?

    The surge time for LP is usually 5 to 6 seconds, where two MF currents are applied together, one constant and the other varying.

    What are the effects of electrical stimulation on sensory and motor nerves?

    Electrical stimulation stimulates sensory nerves, motor nerves, causes muscle contractions, and produces chemical changes due to unidirectional current flow.

    What is the significance of using two equal-sized electrodes in therapy?

    Using two equal-sized electrodes ensures balanced current distribution across the treatment area, enhancing the effectiveness of the therapy.

    What types of conditions can benefit from electrical stimulation therapy?

    Conditions such as soft tissue injuries, arthritis, circulatory issues like Raynaud’s and migraine, and peripheral nerve problems like neuralgia and sciatica can benefit from this therapy.

    Why should electrical stimulation therapy be avoided in certain conditions?

    It should be avoided in conditions like open skin, infections, or the presence of pacemakers due to the risk of exacerbating these issues or causing harm.

    What is the pulse duration and frequency of Didynamic current?

    Didynamic current has a pulse duration of 10 ms and a frequency of 50–100 Hz, delivering 100 pulses per second.

    How does electrical stimulation therapy facilitate improved local blood circulation?

    By reducing sympathetic activity and causing vasodilation, electrical stimulation therapy enhances blood flow to the targeted area.