A patient is admitted with acute respiratory failure attributable to pneumonia.Smoking history reveals that the patient smoked two packs of cigarettes a day for 25 years, stopping 10 years ago.ABG values on the current ventilator settings are pH, 7.37; PaCO₂, 50 mm Hg; and HCO₃^-, 27 mEq/L.Chest radiograph reveals a large right pleural effusion.Intrapulmonary shunting value of 35% indicates

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Quizplus · Accepted Answer

A shunt greater than 10% is considered abnormal and indicative of a shunt-producing disorder.A shunt greater than 30% is a serious and potentially life-threatening condition that requires pulmonary intervention.

A Patient Is Admitted with Acute Respiratory Failure Attributable to Pneumonia.Smoking