Medicare Supplement plans (Medigap coverage) overview. Medicare Supplement (also known as MedSup or Medigap) coverage, is health insurance sold by private insurance companies to fill the âgapsâ in Medicare Part A and Part B coverage.
Radiofrequency ablation (RFA) is a minimally invasive procedure that destroys cancerous tumors. Pulses of radiofrequency energy are sent through a catheter (a long, thin tube) to heat and destroy diseased tissue. Currently, RFA is a standard treatment for patients with inoperable liver tumors.
Radiofrequency Ablation Radiofrequency ablation (RFA, also called Radiofrequency neurotomy or lesioning) is a minimally invasive procedure used to reduce facet joint pain in the back or neck. An electrical current produced by a radio wave is used to heat up a small area of nerve tissue, thereby decreasing the ability of those nerves to transmit pain signals from that specific area to the brain.