Parameters

Question 1

What are the params for diathermy?

Answer 1

• Frequency=27.12MHz
• Wavelength=11nm
• Tx Time: Thermal=15-20min
  
  • Non-thermal (pulsed)=30-60min
• 1st Dose=No sensation of heat
• 2nd Dose=Mild heat
• 3rd Dose=Comfortable heat
• 4th Dose=Vigorous heat below pain threshold

Question 2

What are the params for ultrasound?

Answer 2

Acute–>Non-thermal, Pulsed 20% Duty Cycle, 3MHz, .5W/cm^2, 3-10min *Also used for phonophoresis

Chronic–>Thermal, Continuous 100% Duty Cycle, 1Mhz, 1.5W/cm^2, 5-10 min

Question 3

What are the params for hydrotherapy?

Answer 3

32-79°=Inflammation & Edema

79-92°=Exercise

92-96°=Tone, circulation, & sensation

96-98°=Burns

99-104°=ST Extensibility & Pain

104°-114°=Same + Arthritis

Question 4

What are the params for cryotherapy?

Answer 4

• Inflammation=15-20min
• Edema=15min w/compression
• Pain=10-15min
• Spasm=5min (DTR); 10-30min (Clonus)

Question 5

What are the params for TENS?

Answer 5

*Chronic=Low rate, 50-80usec, 100-150pps, 20-30min *Acute & Repetitive Strain=Conventional, 200-300usec, 2-10pps, Unlimited time

Question 6

What are the params for NMES?

Answer 6

Strengthening: Pulsed

• Pulse Duration=150-300usec
• Duty Cycle=1:5-3
• Frequency=50-80pps
• Time=10-20 contractions

Spasm, Edema, & DVT:

• Duty Cycle=1:1
• Frequency=20-80pps
• Tx Time=10-30min

Russian:

• Duty Cycle=1:5
• Frequency=2,500Hz AC w/50bursts in 10ms,
• Tx Time=10 min

Question 7

What are the params for IFC?

Answer 7

• Frequency=3,000-5,000Hz
• Beat Frequency:
  
  • Pain=80-150pps
  • Muscle=10-100pps
  • Edema=1-10pps
• Time: Acute=5-10min
  
  • Chronic=20-30min

Question 8

What are the params for high volt?

Answer 8

Infection/Inflammation + Proliferation:

• Polarity=(-)/(+) *Pulse Frequency=60-125pps
• Pulse Duration=Preset @40-100us
• Amplitude=Comfy Tingling
• Tx Time=40-60min

Edema:

• Polarity=(-)
• Pulse Frequency=100-120pps
• Pulse Duration=Fixed @40-100us
• Amplitude=Comfortable Sensory
• Tx Time=20-30min

Edema from lack of muscle contraction:

• Pulse Frequency=100-120pps
• Pulse Duration=Fixed @150-300us
• Amplitude=Small visible muscle contractions
• Tx Time=20-30min On/Off Time=1/2:1/2

Question 9

What are the params for heat pack?

Answer 9

158-167°, up to 20 min

Question 10

What are the params for parafin?

Answer 10

126-134°

Continuous=1 coat, immerse

Dip-Wrap=6-10 dips, wrap in plastic

Paint=Brush 6-10 times, wrap in towel

Question 11

What are the params for iontophoresis?

Answer 11

• Current type/Waveform=DC
• Amplitude=To pt tol, but <4mA
• Dosage=40-120mA/min
• Tx Time=Calculated by machine
• Polarity=Same as drug
• Electrode Placement=Active on inflammed area, dispersive on remote area
• Pulse frequency & duration are N/A

Question 12

What are the params for microcurrent?

Answer 12

• Waveform=Constant or Pulsed DC
• Amplitude=1uA=1mA
• Polarity=Based on phase of healing
  
  • ​Debridement=Anode
  • Infection=Cathode or anode w/ionic Ag dressing
  • Wound Contraction=Alternate anode & cathode
  • Granulation & Epithelialization-Cathode
• Mode=Continuous or Pulsed(Wounds)
• Tx time=30min-2hrs, 1-4x/day, 5-7days/wk

Question 13

What are the params for laser?

Question 14

What are the params for EMG biofeedback?

Answer 14

Surface electrode goes over the clinical motor point & the other is 1-5cm away