Interpretation of Pulmonary Function Tests

Therefore, a patient with an FEV1 of 1.2 liters would be very high risk for a pneumonectomy (predicted post-op FEV1 = 0.6 L) but only moderate risk for a lobectomy (predicted post-op FEV1 = 1.0 L). The pCO2 is also valuable; carbon dioxide retention > 45 indicates increased risk of pulmonary complications of surgery. 5. ................
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