12 Lead ECG is standard of care medical exam for diagnosing heart ischemia. Levmed's 12 Lead reusable ECG Electrodes belt replaces the traditional vacuum pump electrodes and patch electrodes : • Fast and Simple application • Elastic – Made of special Silicon compound - one size fits all - women and men • Patient comfort - No shave , No gel • Affordable – Reusable , No Disposables • Hygienic protection embedded into the Silicon Our 12 Lead ECG Electrodes belts are sold and used over 20 years worldwide , in hospitals, clinics and remote locations by professionals and non-professionals.