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The ankle-brachial pressure index (ABPI) or ankle-brachial index (ABI) is the ratio of the blood pressure at the ankle to the blood pressure in the upper arm (brachium). Compared to the arm, lower blood pressure in the leg suggests blocked arteries due to peripheral artery disease (PAD).
Ankle-brachial pressure index, a measure of the fall in blood pressure in the arteries supplying the legs; Association of the British Pharmaceutical Industry, the trade association for companies in the UK producing prescription medicines
Ankle-brachial pressure index (ABPI) assesses peripheral vascular disease. [1] It may however be unreliable in patients with calcified arteries in the calf (often diabetic patients) or those with extensive oedema, in which case toe pressure or Toe-brachial pressure index (TBPI) should be measured to aid in the diagnosis.
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"Measurement of ankle blood pressures in a seated position will grossly overestimate the ABI (by approximately 0.3)." If the factor of "overstatement" is less than one, the value is being understated, not overstated. Could it be that what's meant is that the overestimate will be on the order of 30 percent--i.e., 1.3 times what it should be?
Medical calculators arose because modern medicine makes frequent use of scores and indices that put physicians' memory and calculation skills to the test. [2] The advent of personal computers, the Internet and Web, and more recently personal digital assistants (PDAs) have formed an environment conducive to their development, spread and use.
This is what is used to calculate a person's natal chart by Chinese zodiac experts. "For example, babies born between Feb. 4, 2024, and Feb. 3, 2025, will have the Wood Dragon as the animal sign ...
Body roundness index (BRI) is a calculated geometric index used to quantify an aspect of a person's individual body shape. Based on the principle of body eccentricity, it provides a rapid visual and anthropometric tool for health evaluation. [1] Introduced in 2013, the BRI calculation can be used to estimate total and visceral body fat.