Volume 80, Issue 6, Pages 666-670 (December 1981) Swan-Ganz Catheter Location and Left Atrial Pressure Determine the Accuracy of the Wedge Pressure When Positive End-expiratory Pressure is Used D.Michael Shasby, M.D., Ira M. Dauber, M.D., Shirley Pfister, R.N., James T. Anderson, M.D., F.C.C.P., Stanley B. Carson, M.D., Frank Manart, M.D., Thomas M. Hyers, M.D. CHEST Volume 80, Issue 6, Pages 666-670 (December 1981) DOI: 10.1378/chest.80.6.666 Copyright © 1981 The American College of Chest Physicians Terms and Conditions
Figure 1 Lateral chest roentgenogram showing catheter tip (large arrow) and left atrial marker (small arrow). CHEST 1981 80, 666-670DOI: (10.1378/chest.80.6.666) Copyright © 1981 The American College of Chest Physicians Terms and Conditions
Figure 2 Distribution of Swan-Ganz catheter tips relative to left atrial marker in 30 consecutive open heart surgery patients. CHEST 1981 80, 666-670DOI: (10.1378/chest.80.6.666) Copyright © 1981 The American College of Chest Physicians Terms and Conditions
Figure 3 Change in difference between left atrial and pulmonary artery wedge pressure at different levels of PEEP and for different catheter locations and left atrial pressures. CHEST 1981 80, 666-670DOI: (10.1378/chest.80.6.666) Copyright © 1981 The American College of Chest Physicians Terms and Conditions
Figure 4 (A) PEEP = 11.0 mm Hg; left atrial pressure = 5 mm Hg. (B) PEEP = 11.0 mm Hg; left atrial pressure = 12 mm Hg. CHEST 1981 80, 666-670DOI: (10.1378/chest.80.6.666) Copyright © 1981 The American College of Chest Physicians Terms and Conditions