DIGITAL PLETHYSMOGRAPH Meaning and
Definition
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A digital plethysmograph is a medical device used to measure and record changes in blood flow in a specific part of the body in a digital format. It is a non-invasive instrument that utilizes various sensors to monitor the volume of blood circulating through blood vessels.
The digital plethysmograph operates based on the principle of plethysmography, which involves measuring changes in blood volume. When a particular region of the body undergoes blood flow changes, such as swelling, the sensor picks up these alterations and converts them into digital data. This data can then be graphically displayed and analyzed for diagnostic purposes.
This device typically includes a sensor pad or probe that is placed on the designated area being examined. The pad or probe contains light-emitting components, such as infrared LEDs (Light Emitting Diodes), and light-receptive sensors. As blood absorbs and reflects light at different rates, the sensor can detect these variations and convert them into electrical signals. These signals are then processed and displayed on a digital screen or stored in a computer for later analysis.
The digital plethysmograph is commonly used in medical settings to assess circulation, detect vascular disorders, monitor the effectiveness of treatments, and evaluate the overall health of blood vessels in various parts of the body. It provides healthcare professionals with valuable information about blood flow dynamics and can assist in making accurate diagnoses and treatment decisions.
Common Misspellings for DIGITAL PLETHYSMOGRAPH
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Etymology of DIGITAL PLETHYSMOGRAPH
The word "digital" in "digital plethysmograph" refers to the use of digital technology in measuring and recording data. "Plethysmograph" originated from the Greek word "plethysmos", meaning "volume" or "increase". In medical terms, plethysmography refers to the measurement of changes in the volume of an organ or a specific part of the body. "Graph" is derived from the Greek word "graphein", which means "to write" or "to record". So, "digital plethysmograph" essentially means a digital device used to measure and record changes in volume or blood flow.
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