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Radiofrequency ablation (RFA), also called fulguration, [1] is a medical procedure in which part of the electrical conduction system of the heart, tumor, sensory nerves or a dysfunctional tissue is ablated using the heat generated from medium frequency alternating current (in the range of 350–500 kHz).
In fulguration mode, the electrode is held away from the tissue, so that when the air gap between the electrode and the tissue is ionized, an electric arc discharge develops. In this approach, the burning to the tissue is more superficial, because the current is spread over the tissue area larger than the tip of electrode. [13]
Fulguration, in which a deliberate spark is generated by touching or nearly touching the sharp probe to the lesion or skin. This results in far higher temperatures at the point of contact of the spark to skin, causing very high temperatures and carbonization (eschar) of the tissue immediately at the spark-contact point, and just below it.
In medicine, ablation is the removal of a part of biological tissue, usually by surgery.Surface ablation of the skin (dermabrasion, also called resurfacing because it induces regeneration) can be carried out by chemicals (chemoablation), by lasers (laser ablation), by freezing (cryoablation), or by electricity (fulguration).
The ulcers can be removed through fulguration (burned off with the use of electricity or a laser) or resection (cutting around the ulcer, removing both the ulcer and the surrounding inflamed tissue). Some ulcers may recur in the same location.
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This is a shortened version of the seventh chapter of the ICD-9: Diseases of the Circulatory System.It covers ICD codes 259 to 282.The full chapter can be found on pages 215 to 258 of Volume 1, which contains all (sub)categories of the ICD-9.
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