MECHANICAL VENTILATOR Meaning and
Definition
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A mechanical ventilator is a medical device used in modern healthcare settings to assist patients in breathing when they are unable to do so on their own. It is an apparatus that uses mechanical means to deliver oxygen into the lungs and remove carbon dioxide from the body. This is achieved through a system of tubes, valves, and sensors that work together to control the flow of air and regulate the breathing pattern of the patient.
Typically, a mechanical ventilator is composed of a control unit, which houses the main settings and controls, and a breathing circuit that connects the device to the patient. The control unit allows healthcare professionals to set various parameters such as the amount of oxygen delivered, the rate and volume of breaths, and the level of positive end-expiratory pressure (PEEP). These settings are tailored according to the patient's condition and needs.
The breathing circuit consists of tubing that delivers the mixed gases from the control unit to the patient's airways, as well as a mask or tracheal tube to ensure proper delivery of the gases. The ventilator's sensors continuously monitor the patient's respiratory rate, oxygen saturation, and other variables, providing real-time feedback to the control unit.
Mechanical ventilators are commonly used in intensive care units, operating rooms, and emergency settings. They are crucial in treating patients with respiratory failure, acute lung injury, chronic obstructive pulmonary disease, and other critical conditions. By supporting and maintaining proper gas exchange, mechanical ventilators help stabilize patients, reduce work of breathing, and buy time for the underlying condition to improve or be treated.
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Etymology of MECHANICAL VENTILATOR
The word "mechanical" comes from the Latin word "mechanicus", which means "of machines" or "pertaining to machinery". It, in turn, is derived from the Greek word "mekhanē", which means "machine" or "contrivance".
The word "ventilator" comes from the Latin word "ventilare", meaning "to fan, blow, ventilate, or air". This word is derived from "ventus", which means "wind".
When combined, "mechanical ventilator" refers to a device or apparatus that aids in the process of ventilation or providing artificial breathing assistance to a person.
