Ultrasound Flashcards
0
Q
Ultrasound contraindications
A
Malignancy Pregnancy CNS tissue Joint cement Plastic Pacemaker Thrombophlebitis Eyes and reproductive organs
1
Q
Why to use ultrasound
A
Soft tissue shortening (increase ROM) Pain control Dermal ulcers Surgical skin incisions Tendon and ligament injuries Bone fractures (low dose) Carpal tunnel syndrome (nonthermal) Phonophoresis
2
Q
Ultrasound Precautions
A
Acute inflammation
Epiphyseal plates
Fractures
Breast implants
3
Q
Deep US effects
A
Frequency: 1 MHz
Intensity: 1.5-2 W/cm2
Duration: 5-10 min for treatment area 2x size of transducer
4
Q
Superficial US effects
A
Frequency: 3 MHz
Intensity: 0.5 W/cm2
Duration: 5-10 min for treatment area 2x size of transducer
5
Q
Nonthermal US
A
Frequency: 1 MHz or 3 MHz
Intensity: 0.5-1 W/cm2
Duty cycle: 20% (pulsed)
Duration: 5-10 min for treatment area 2x size of transducer
6
Q
Thermal US
A
Frequency: 1 MHz or 3 MHz
Intensity: 1.5-2 or 0.5 W/cm2
Duty cycle: 100% (continuous)
Duration: 5-10 min for treatment area 2x size of transducer
