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Anaesthesia

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Miscellaneous Topics

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In controlled ventilation - (PGI Nov 09)



A Patient is active
B Patient is passive

C Ventilator is active
D IPPV

E Ventilater is passive

Ans. B

Patient is passive; 'C' i.e., Ventilator is active & 'D' i.e., IPPV [ReI Morgan 4thje p. 1029-1035]

Controlled mechanical ventilation is total support ventilator, i.e. total support is provided by ventilator:- ventilator is active and does all the work; patient is passive. CMV is also known as intermittent positive pressure ventilation (lPPV).

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