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Transcutaneous Electrical Nerve Stimulation

Rehabilitation estimated about CNY 50-150

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Description

A non-invasive therapy using low-voltage electrical currents to relieve pain by stimulating sensory nerves and modulating pain signal transmission in the spinal cord and brain.

Main Uses

Primary clinical uses include: short-term management of acute and chronic pain (e.g., low back pain, osteoarthritis, postoperative pain, neuropathic pain); adjunctive therapy in physical rehabilitation to reduce pain-related inhibition of movement; symptomatic relief in fibromyalgia and myofascial pain syndrome; and non-pharmacologic support in palliative care. It is not curative but aims to modulate pain perception via gate control theory and endogenous opioid release.

Normal Range

TENS (Transcutaneous Electrical Nerve Stimulation) is not a diagnostic laboratory test with quantitative 'values' or numerical reference ranges. It is a non-invasive therapeutic modality that delivers low-voltage electrical currents via surface electrodes. Parameters such as frequency (typically 1–150 Hz), pulse width (10–500 μs), intensity (mA, adjusted to patient tolerance), and duration (15–60 minutes per session) are individually titrated—not standardized across populations. There is no universal 'normal range' for TENS; clinical efficacy is determined by symptom relief and tolerability, not numeric thresholds.

Low Values - Possible Causes

TENS does not produce measurable 'low values' in the conventional sense. However, subtherapeutic outcomes may result from: inadequate electrode placement, insufficient stimulation intensity (below sensory or motor threshold), device malfunction or battery depletion, poor skin-electrode contact (e.g., due to dry skin or hair), or inappropriate parameter selection (e.g., frequency too low for desired analgesic mechanism).

High Values - Possible Causes

TENS does not yield 'high values' as a diagnostic metric. Adverse or ineffective responses may occur due to: excessive intensity causing discomfort or muscle contraction, excessively high frequency (>100 Hz) leading to nerve fatigue or reduced analgesia, prolonged session duration inducing skin irritation or habituation, improper electrode positioning over contraindicated areas (e.g., carotid sinus, anterior neck), or use in patients with implanted electronic devices (e.g., pacemakers) without medical clearance.

TMD therapy pain management TCM non-invasive therapy

estimated about CNY 50-150