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  2. Compression stockings - Wikipedia

    en.wikipedia.org/wiki/Compression_stockings

    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 (2030 mmHg and 30–40 mmHg) should generally be worn only on medical advice.

  3. Compression garment - Wikipedia

    en.wikipedia.org/wiki/Compression_garment

    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 2030 mmHg or higher, typically require a doctor's prescription. [1]

  4. Abdominal compartment syndrome - Wikipedia

    en.wikipedia.org/wiki/Abdominal_compartment_syndrome

    Abdominal compartment syndrome is defined as an intra-abdominal pressure above 20 mmHg with evidence of organ failure. Abdominal compartment syndrome develops when the intra-abdominal pressure rapidly reaches certain pathological values, within several hours (intra-abdominal hypertension is observed), and lasts for 6 or more hours.

  5. Millimetre of mercury - Wikipedia

    en.wikipedia.org/wiki/Millimetre_of_mercury

    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).

  6. Blood pressure measurement - Wikipedia

    en.wikipedia.org/wiki/Blood_pressure_measurement

    A minimum systolic value can be roughly estimated by palpation, most often used in emergency situations, but should be used with caution. [10] It has been estimated that, using 50% percentiles, carotid, femoral and radial pulses are present in patients with a systolic blood pressure > 70 mmHg, carotid and femoral pulses alone in patients with systolic blood pressure of > 50 mmHg, and only a ...

  7. Centimetre or millimetre of water - Wikipedia

    en.wikipedia.org/wiki/Centimetre_or_millimetre...

    A centimetre of water [1] is a unit of pressure. It may be defined as the pressure exerted by a column of water of 1 cm in height at 4 °C (temperature of maximum density) at the standard acceleration of gravity, so that 1 cmH 2 O (4°C) = 999.9720 kg/m 3 × 9.80665 m/s 2 × 1 cm = 98.063754138 Pa ≈ 98.0638 Pa, but conventionally a nominal maximum water density of 1000 kg/m 3 is used, giving ...

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