Anatomy General anatomy 42758a05

Pressure sores usually occur when external pressure exceeds capillary occlusive pressure over

20 mmHg

25 mmHg

30 mmHg

35 mmHg

High-Yield Explanation

When external pressure exceeds the capillary occlusive pressure over 30mmHg, blood flow to skin ceases leading to tissue anoxia, necrosis and ulceration. Ref: Bailey and love 27th edition Pg no: 29

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