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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).
MDCalc is a free online medical reference for healthcare professionals that provides point-of-care clinical decision-support tools, including medical calculators, scoring systems, and algorithms. [1] MDCalc is also a mobile and web app. [ 2 ] The decision-support tools are based on published clinical research, [ 3 ] and MDCalc’s content is ...
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.
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
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The instant that the cuff pressure drops to be precisely that of systolic pulse pressure, there is nothing for the Doppler to hear - if the pressure is truly identical then the pressure wave just neutralises the total compression of the artery but the "force" is spent by the time it reaches the distal most part under the cuff, so no pressure is ...
An arterial blood gas (ABG) test, or arterial blood gas analysis (ABGA) measures the amounts of arterial gases, such as oxygen and carbon dioxide.An ABG test requires that a small volume of blood be drawn from the radial artery with a syringe and a thin needle, [1] but sometimes the femoral artery in the groin or another site is used.
The intermembral index is a ratio used to compare limb proportions, expressed as a percentage. [1] It is equal to the length of forelimbs ( humerus plus radius ) divided by the length of the hind limbs ( femur plus tibia ) multiplied by 100, [ 2 ] otherwise written mathematically as: