Disconnecting the ventilator and manual BMV should be performed in cases where device malfunction is the primary cause of decompensation. These instances are quite rare.

Disadvantages of switching to BMV include loss of diagnostic information, risk of decruitment, lack of tidal volume and respiratory rate control.

Attention to waveforms is crucial.

A systematic initial approach to these scenarios would obviate the need for ventilator disconnection in most instances.

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