9
CAUTIONS:
For Therapeutic Ultrasound
1 Ultrasound should not be applied in areas of reduced sensation or
circulation. Patients having reduced sensation will not be able to
notify the practitioner of discomfort if ultrasound intensities
are too high. Patients with compromised circulation may have an
excessive heat buildup in the treatment area.
2. If a patient complains of periosteal pain (deep, achy pain) during
ultrasonic treatment, intensity should be reduced to a comfortable level.
3. Any bleeding tendency is increased by heating because of the
increase in blood flow and vascularity of the heated tissues.
Care, therefore, should be used in treating patients with
therapeutic ultrasound who have hemorrhagic diathesis or
bleeding disorders.
4. Moving technique of the applicator should be used when applying
therapeutic ultrasound at intensities greater than 0.5 W/ cm 2 to
assure even exposure of tissues to ultrasound.
5. Heating of the joint capsule in a cute or subacute arthritis should
be avoided.
6. This device should not be used for symptomatic local pain relief unless
etiology is established or unless a pain syndrome has been diagnosed.
7 This device should not be used when cancerous lesions are present
in the treatment area.
8. Additional precautions should be used when ultrasound is used on
patients with the following conditions:
• Over an area of the spinal cord following:
• Laminectomy, i.e., when major covering tissues have been removed
• Over anesthetic areas
• On patients with hemorrhagic diathesis
9. Ultrasound should be routinely checked before each use to
determine that all controls function normally, especially that the
intensity control does properly adjust the intensity of the ultrasonic
power output in stable manner. Also, determine that the treatment
time control does terminate ultrasonic power output when the
timer reaches zero.
10. The Ultrasound Applicator with care. Inappropriate handling of the
Ultrasound applicator may adversely aect its characteristics.
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