Electrocautery
Electrocautery
Electrocautery, also known as thermal cautery, refers to a process in which a direct or alternating current is passed through a resistant metal wire electrode, generating heat. The heated electrode is then applied to living tissue to achieve hemostasis or varying degrees of tissue destruction. [1] Electrocautery can be used in various minor surgical procedures in dermatology, ophthalmology, otolaryngology, plastic surgery, and urology.
In electrocautery, the current does not pass through the patient; thus, the procedure can be safely used in patients with implanted electrical devices such as cardiac pacemakers, implantable cardioverter-defibrillators, and deep-brain stimulators.
![image](assets/img/electro.jpeg)
![image](assets/img/Electrosurgery-wart-removal.jpg)
Basic Physics Terminology
-
Voltage (volts): force that pushes the current (“Potential
Energy”).
- – More force = more destruction
-
Resistance (ohm): quality of tissue that impedes flow of
current.
- More resistance = less current flow.
- Resistance of skin > bone > fat > muscle > bowel wall (326 ohms) > blood.
- Intensity (amps): amount of electricity crossing an area (wire), per second.
- Current Density (amp/cm 2): amount of current flowing through a cross sectional area = Current Intensity(amps)/area(cm2)
risks of electrocauterization
The treatment itself has minimal risks. Risks of electrocauterization may include:
- slight bleeding
- infection; your doctor may give you antibiotics to reduce this risk
- pain or mild discomfort; your doctor may prescribe you pain medication for after the procedure
Tell your doctor if you have a pacemaker or prosthetic joint before undergoing this treatment.
![image](assets/img/elec.jpg)
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Frequently Asked Questions
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