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29 Cards in this Set

  • Front
  • Back
the use of direct current to drive medication through the skin and into the underlying tissues.
iontophoresis
current amplitude for iontophoresis
4.0 mA

minimum: 0.1 to 1.0 mA
current amplitude during iontophoresis is based on: (4)
1. patients tolerance

2. polarity of active electrode

3. size of active electrode

4. duration of treatment
duration of current application for iontophoresis:
4.0 mA
responsible for driving the medication into the skin
active electrodes
completes the circuit
dispersive
used for inflammation
dexamethasone
used for soft tissue pain + inflammation
Lidocaine
used for muscle/joint pain in acute + chronic conditions such as rheumatoid arthritis and plantar warts
salicylates
used for adhesive capsulitis and other soft tissue adhesions. also microbial infections and scar tissue
Iodine
used for calcific tendonitis and myositis ossificans (any calcium deposits)
Acetic Acid
used for skeletal muscle spasms
calcium chloride
used for skeletal muscle spasms and myositis
magnesium sulfate
used for local edema (acute and chronic)
hyaluronidase
used for skin ulcers and dermatologic disorders
Zinc oxide
dexamethasone
negative
lidocaine
positive
salicylates
negative
iodine
negative
acetic acid
negative
calcium chloride
positve
magnesium sulfate
positive
hyaluronidase
positive
zinc oxide
positive
ions enter the body primarily by
electro-osmosis
once the ions/medicine is in the body, their movement is governed by: (2)
1. their charge

2. direction of blood flow
iontophoresis of appropariate drugs may be used for: (6)
1. local anaesthetic action

2. direction of blood flow

3. antibacterial action

4. anti inflammatory action

5. relief of neurogenic pain

6. other purposes include edema reduction, chronic wound healing, increase extensibility of scars, fungal skin infections, and relief of pain
contraindications for iontophoresis (2)
1. allergy to the medication used

2. impaired sensation
dangers of iontophoresis (4)
1. chemical/electrical burn

2. unexpected shock

3. skin irritation

4. adverse systemic reaction to the medication