Understanding wasted/ineffective efforts in mechanically ventilated COPD patients using the Campbell diagram
Wasted or ineffective efforts are inspiratory efforts that fail to trigger the ventilator . Nearly 25% of mechanically ventilated patients exhibit ineffective efforts which are even more frequent in COPD patients . The pathophysiology of wasted efforts can be illustratively presented using the Campbell diagram.
KeywordsRespir Crit Pressure Support Ventilation Inspiratory Muscle Inspiratory Effort Esophageal Pressure
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