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Figure 1 | Critical Care

Figure 1

From: Manual hyperinflation partly prevents reductions of functional residual capacity in cardiac surgical patients - a randomized controlled trial

Figure 1

Time line depicting trial investigations and interventions. Note that time till tracheal extubation is variable among patients, as is the number of manual hyperinflation maneuvers. Abbreviations: OR, operation room; ICU, intensive care unit; CXR, chest radiography; FRC, functional residual capacity; MH, manual hyperinflation.

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Critical Care

ISSN: 1364-8535