Question
The method of ulcer healing shown below generates a pressure of:
A. Minus 100 cm of water
B. Minus 125 mm Hg
C. Plus 100 cm of water
D. Plus 125 cm of water
Show Answer
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Correct Answer » B
Explanation
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Ans:B. Minus 125 mm Hg.
The image shows vaccum assisted closure of an ulcer.
Vaccum Assisted Closure Therapy
It creates a negative pressure of minus 125 mm Hg to promote formation of a healthy granulation tissue.The negative pressure is helpful because it:
- Clears the interstitial Fluid.
- Improves perfusion and increases healing process
Indications:
Full-thickness surgical wounds
Stage 3 pressure ulcers
Stage 4 pressure ulcers
Contraindications:
- Necrotic tissue with eschar
- Fistulas to organs or body cavities
- Do not place V.A.C. dressing over exposed arteries or veins