Background Refractory angina pectoris (RAP) is a chronic. severe chest pain associated with coronary artery disease that cannot be resolved using optimal medical or surgical approaches. Spinal cord stimulation (SCS) is a suitable treatment option. Conventional waveforms of SCS have shown a potent effect on the tempering of RAP. https://fitnessgravesyardes.shop/product-category/right-moving-arm/