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Standard medical grade compression socks are 20 to 30 mmHg, but that much compression can sometimes feel uncomfortable for people at first, says Patrick McEneaney, DPM, owner and CEO of Northern ...
Self-prescription is reasonably safe assuming that the compression gradient is 15–20 mmHg, the ABPI (for both legs) is >1.0 and that the stockings fit correctly. "Firm" gradient stockings (20–30 mmHg and 30–40 mmHg) should generally be worn only on medical advice.
Good outcomes in ulcer treatment were shown after the application of double compression stockings, e.g. ulcer stockings. These systems contain two different stockings, one often of white colour. This one is to be put on first, is also worn overnight and exerts a basic pressure of 20 mmHg or less. Also it keeps the wound dressing in place.
In medical contexts, compression garments provide support for people who have to stand for long periods or have poor circulation. These come in varying degrees of compression, and higher degree compression sleeves, such as sleeves that provide compression of 20–30 mmHg or higher, typically require a doctor's prescription. [1]
The toe pressure is usually slightly lower than arm blood pressure, a difference of up to 50mmHg is considered acceptable. Toe pressures below 30 mmHg (in diabetics 50mmHg) are pathological and associated with reduced viability of the tissue and risk of amputation.
1 mmHg = 1 mm × 13 595.1 kg/m 3 × 9.806 65 m/s 2 = 133.322 387 415 Pa (exactly) The use of an actual column of mercury for precise measurement of pressure requires corrections for the actual gravity at given location (±0.44%) and the density of mercury at the actual temperature (−0.45% at 25 °C or 77 °F).
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