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Figure 2 | Critical Care

Figure 2

From: Clinical review: Intra-abdominal hypertension: does it influence the physiology of prone ventilation?

Figure 2

Proposed conceptual thoracoabdominal relationships related to prone ventilation. Proposed conceptual thoracoabdominal relationships related to prone ventilation in varying settings of intra-abdominal pressure (IAP), abdominal volume, abdominal compliance, patient position and gravity. (a) Normal IAP, normal body mass index, normal gravity supine, normal abdominal compliance. (b) Intra-abdominal hypertension (IAH) or obesity in the supine position. (c) IAH in weightlessness results in greater lung volumes and spontaneous conformational changes to the abdominal wall.

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