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Figure 2 | Critical Care

Figure 2

From: Physiology in medicine: importance of hypoxic pulmonary vasoconstriction in maintaining arterial oxygenation during acute respiratory failure

Figure 2

Positron emission tomography measurements of regional blood flow and lung water in a supine dog ventilated with pure oxygen, before and after induction of oleic acid lung injury, with intact (left) or ablated (right) hypoxic pulmonary vasoconstriction. Lung injury is associated with a significant increase in lung water. Pulmonary blood flow is redistributed upwards by hypoxic pulmonary vasoconstriction, and this is associated with preserved arterial PO2. (Reproduced with permission from [21].)

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Critical Care

ISSN: 1364-8535