The word "hydrospirometer" is spelled with the prefix "hydro-" which indicates water, followed by "spirometer" which measures lung capacity. In IPA phonetic transcription, it is spelled /haɪ.drəʊˈspaɪ.rə.mɪ.tər/ with the stress on the third syllable. The "r" after "spirom" is pronounced since it is followed by a vowel sound in "eter." The word may be challenging to spell correctly due to its length and uncommon usage; however, with practice, it can become easier to recall.
A hydrospirometer is a medical device used for measuring lung capacity and assessing respiratory function. It is a type of spirometer that operates based on water displacement principle, hence the name "hydro" spirometer.
The device consists of a transparent chamber or container filled with water, usually calibrated with graduated markings. A subject blows into a mouthpiece attached to the top of the chamber, and the exhaled air displaces the water, causing it to rise. The distance the water level rises is directly proportional to the volume of air exhaled by the individual.
Hydrospirometers can provide various measurements related to lung function, including tidal volume, inspiratory capacity, vital capacity, forced expiratory volume, and peak expiratory flow rate. These measurements are crucial in diagnosing respiratory disorders such as chronic obstructive pulmonary disease (COPD), asthma, or assessing the impact of environmental factors on lung capacity.
The device may also incorporate additional features to enhance measurement accuracy, such as a one-way valve that prevents the backflow of water into the subject's mouth or a built-in temperature compensation mechanism to adjust for water temperature variations. Hydrospirometers are widely used in clinical settings, pulmonary function laboratories, and research facilities for diagnosing and monitoring respiratory disorders, evaluating the effectiveness of treatments, and assessing lung function before and after surgeries or medical interventions.
A spirometer in which the force of the expired air is indicated by the rise of a column of water.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "hydrospirometer" is derived from two Greek roots: "hydro" and "spirometer".
1. "Hydro" (meaning "water" in Greek) indicates the relation to water or fluids.
2. "Spirometer" comes from the combination of two Greek words:
- "Spir-", which is derived from "spirein" (meaning "to breathe") or "spira" (meaning "a twist" or "coil").
- "-Meter", is derived from "metron" (meaning "measure").
Therefore, a "spirometer" is an instrument used to measure the volume and flow of respiratory gases during breathing. The addition of "hydro" in "hydrospirometer" likely denotes that it measures the volume and flow of gases in a water-filled system.