Product Manual
CONTRAINDICATIONS, WARNINGS, & PRECAUTIONS
DYNATRON® 25 SERIES™ | OPERATOR’S MANUAL 70
1. Adequate precautions should be taken in the case of persons with suspected or diagnosed epilepsy.
2. Severe spasm of the laryngeal and pharyngeal muscles may occur when the electrodes are positioned over the neck
or mouth. e contractions may be strong enough to close the airway or cause diculty in breathing.
3. Caution should be used in the transthoracic application of EMS devices in that the introduction of electrical current
into the heart may cause arrhythmia.
4. is device should be kept out of the reach of children.
5. e Dynatron device should not be used in the following conditions:
• Pregnancy
• Acute and sub-acute thrombophlebitis
• Potentially malignant lesions
• Implants of any electrical nature
• Do not use over a carotid sinus
• Transcerebrally
• Disturbances in cardiac rhythm
6. e long-term eects of chronic electrical stimulation are unknown.
7. is device should not be used to relieve pain syndromes until etiology has been established.
8. Current densities for any electrodes exceeding 2 mA r.m.s./cm
2
may require the special attention of the USER.
Precautions
1. Precautions should be observed following recent surgical procedures when muscle contractions may disrupt the
healing process.
2. Some patients may experience skin irritation or hypersensitivity due to the electrical stimulation or electrical
conductive medium. e irritation can usually be reduced by use of an alternate conductive medium or alternate
electrode placement.
3. Interferential, Premodulated, Biphasic, Russian, and High Volt therapy must be used cautiously in the presence of
any of the following conditions:
• When there is a tendency to hemorrhage following acute trauma or fracture.
• Over the menstruating uterus.