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Before testing began, we estimated the standard deviation of each aneroid sphygmomanometer and the assigned observer by repeatedly measuring the BP of a healthy normotensive individual sitting in the standard position.
BP was measured by trained staff predominantly by using aneroid sphygmomanometers recalibrated as needed by bioengineering services.
The global blood pressure monitoring testing market segmentation is based on product types (sphygmomanometer, mercury sphygmomanometer, aneroid sphygmomanometer, digital sphygmomanometer, automated blood pressure monitors, ambulatory blood pressure monitors, blood pressure transducers, reusable transducers, disposable transducers, blood pressure instrument accessories, blood pressure cuffs, reusable blood pressure cuffs, disposable blood pressure cuffs, bladders, bulbs and valves).
For example, while in the resting supine position, each subject expired with a closed glottis into a mouthpiece-tubing connected to an aneroid manometer to maintain a constant expiratory intra-oral pressure of 40 mmHg for 20 sec according to standardized protocol (4,14,17,18).
In this study, we used a calibrated, certified aneroid sphygmomanometer for the BP measurements.
In some clinical settings the ABP technique with manual aneroid manometers (mercury manometers having been banned a few years ago) remains the method of choice for BP measurement [1], despite its inaccuracy in the absence of frequent recalibration [2].
The aneroid barometer was a newer addition to a field geologist's kit, being the lightest and most easily read instrument for determining altitude, although its readings varied with humidity and rough usage.
On the other hand, anyone can have a drone that will take off vertically and carry a camera through a multi-waypoint GPS-navigated route, with height controlled by a simple aneroid altimeter.
A: CIRCA 1910, Aneroid Barometer with mercury ther mometer, in oak in ornate carved case at auction pounds 100/pounds 150.
The blood pressure was measured after ten minutes of quiet sitting with a standardized aneroid sphygmomanometer and a stethoscope.
Among the physical requirements, are the eye/hand/ear coordination to use the valve mechanism of mercury or aneroid sphygmomanometers, the ability to hear and differentiate the Korotkoff sounds, and the ability to see the meniscus of the mercury column or the dial of the manometer from 3 feet away.