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NURS2025 WEEK 5 EXAM LATEST UPDATE
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NURS2025 WEEK 5 EXAMLATEST UPDATE
Surgical Haemostasis - Energy Based (2) - Answer - Generation of high tissue
temperatures through use of electrosurgery & laser
- Can create surgical plume
Electro-Surgical Unit (4) - Answer - Diathermy Machine
- Generates electrical current
- Used to cut & coagulate tissue
- When electrical current meets resistance (passes through tissue) it generates heat
which bursts tissue cells
ESU - Monopolar (6) - Answer DIATHERMY PLATE
- Provides large, flat area to disperse heat
- Place as close as possible to operative site
- Place on well vascularised, muscular area
- Don't place over scars or metallic prostheses
DIATHERMY PENCIL
- Can be placed directly onto tissue or conduct it through forceps
- Ensure you conduct electricity through distal end
ESU - Bipolar (4) - Answer - Electric current travels down through diathermy or forceps
cord -> down through forceps -> back through forceps to machine
- Doesn't travel through patient
- Used in patients with metallic prostheses & areas where you need to be really precise
- Circuit contained within machine = patient doesn't require diathermy pad
Gelatin Sponge (3) - Answer - Absorbable within 2 days - 6 weeks
- Can hold up to 45x own weight in blood
- Available as powder, compressed sheets, films
Oxidised Cellulose (3) - Answer - Absorbed within 7-14 days
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