Permissive hypercapnia would benefit patients with which of the following?

Question

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Patients with ALI benefit from permissive hypercapnia to protect the lungs from ventilator-induced lung injury.Contraindications to PHY include cerebral disorders,because CO₂ is a powerful vasodilator.PHY also is contraindicated in patients with pre-existing cardiovascular instability,because the circulatory effects of PHY can include decreased myocardial contractility,arrhythmias,vasodilation,and increased sympathetic activity.

Permissive Hypercapnia Would Benefit Patients with Which of the Following