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In biology, Input [1] and output [2] (I&O) is the measure of food and fluids that enter and exit the body. Certain patients with the need are placed on I & O, and if so, their urinary output is measured.
The core principle of fluid balance is that the amount of water lost from the body must equal the amount of water taken in; for example, in humans, the output (via respiration, perspiration, urination, defecation, and expectoration) must equal the input (via eating and drinking, or by parenteral intake).
input/intake and output: IODM: infant of diabetic mother IOL: induction of labor: intraocular lens: IOP: intra-occular pressure: IP: interphalangeal joint: iPSCs: induced pluripotent stem cells: IPF: idiopathic pulmonary fibrosis: IPG: Implantable Pulse Generator: IPH: intraparenchymal hemorrhage or intraperitoneal hemorrhage or idiopathic ...
The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation. I/O devices are the pieces of hardware used by a human (or other system) to communicate with a computer. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices.
Impedance cardiography (ICG) is a non-invasive technology measuring total electrical conductivity of the thorax and its changes in time to process continuously a number of cardiodynamic parameters, such as stroke volume (SV), heart rate (HR), cardiac output (CO), ventricular ejection time (VET), pre-ejection period and used to detect the impedance changes caused by a high-frequency, low ...
Amplifiers providing both input-to-output and channel-to-channel isolation. This is the purest form of isolation, and the option that should be considered for nearly all applications. Multi-channel instruments that employ it are immune to inconsistent common mode voltages on any combination of channels within the limits of the amplifiers.
Medical devices are apparati used for diagnostics, treatment, or prevention of disease and injury. [10] [11] Most of the time these devices affect the structure or function of the body. The easiest way to tell the difference is that biomedical instruments measure, sense, and output data while medical devices do not. Examples of medical devices:
Open systems have input and output flows, representing exchanges of matter, energy or information with its surroundings. An open system is a system that has external interactions. Such interactions can take the form of information, energy, or material transfers into or out of the system boundary, depending on the discipline which defines the ...