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Limb elevation is often advised post surgery, especially after an orthopaedic surgery of an upper or a lower limb
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When the lower limb is kept below the heart for long, gravity increases the pressure in the veins and capillaries, thus causing fluid to leak out. Elevation reduces this gravitational pull
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The lower limb must be elevated above the level of the heart, or at least at the level of heart
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The elevation of lower limb facilitates the draining of blood back towards the heart, as opposed to letting it get collected in the limbs
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Limb elevation also aids in reducing the swelling, which hastens the healing process and relieves pressure
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Excessive swelling may lower the amount of oxygen delivered to the affected body part. Limb elevation can help in preventing this
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Limb elevation may also aid in reducing the tension, thus protecting wounds and encouraging a speedy recovery
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Lower limb elevation also aids in preventing the pooling or stasis of the blood, which may lead to deep venous thrombosis
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Deep venous thrombosis is a complication that can lead to problems in the lungs, and must be prevented if you are on bed rest for long
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The limb must not be raised too high, and consult your doctor for proper technique and management