Ventilators have become an integral unit of Intensive Care and Emergency care units. A bag and mask(ambu bag) does the same job. The difference being electronic operation and precise values provided by the ventilator.
The earliest ventilator was the iron Lung used during polio epidemics.ventilators have undergone several generations of development in the recent years to provide advanced functionality, ease of operation and several pre-defined modes that suit the patient needs.Intensive care environments around the world revolutionalized in 1971 by the introduction of the first SERVO 900 ventilator . It was a small, silent and effective electronic ventilator, with the famous SERVO feedback that could deliver set volume in volume control ventilation.
High-frequency percussive ventilation (HFPV) is a hybrid of conventional mechanical ventilation and high-frequency oscillatory ventilation used from 1980’s. It has been used to salvage patients with persistent hypoxemia when on conventional mechanical ventilation or, in some cases, used as a primary modality of ventilatory support from the start.
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