Tag Archives: TENS unit for chest pain

My love-hate relationship with my little black box

26 Aug

by Carolyn Thomas    @HeartSisters

Every morning, I clip it onto my belt, or tuck it into a hip pocket.  I very carefully attach its sticky little electrode pads onto the skin just over my heart, tucking their long black wires under my clothing. Lately, I also have to hold the electrodes in place on my skin with surgical tape because they’re starting to lose their stickiness after weeks of daily wear. I turn on the black box at my waist, and adjust its two knobs to the correct power levels. I feel a prickly little buzz pulsating across my chest.

It’s called Transcutaneous Electrical Nerve Stimulation (TENS), and it involves electrical impulses called neuromodulation to treat the chest pain (angina) of Inoperable Coronary Microvascular Disease (MVD).

My portable TENS unit is about the size of a small cell phone. You may know the much larger version of this machine if you’ve ever had physiotherapy treatments following a shoulder injury or knee surgery.  The only wounded muscles it’s working on for me now, however, are those in my heart. Emerging cardiac research is showing that, just as the TENS machine works on improving blood flow, reducing inflammation and speeding up healing for an injured shoulder or knee, it may bring the same benefits to heart patients with MVD like mine.

But I do have a love-hate relationship with my little black box.  Continue reading

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