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(Chest. 1973;63:146-148.)
© 1973 American College of Chest Physicians

Correlations of Electrocardiographic Features with Airway Obstruction in Chronic Bronchitis

M. K. Tandon M.D.1

1 Repatriation General Hospital, Hollywood, Australia. Specialist in Chest Diseases

One hundred fifty-four patients with chronic bronchitis with or without emphysema were studied by electrocardiograms and pulmonary function tests. The incidence of the following electrocardiographic features: P waves greater than 2.0mm in height, presence of Ta waves, P axes over +75°, S waves greater than 5 mm n V5-V6 and QRS axes over +75°, showed significant negative correlations with FEV1/VC ratio. The arterial oxygen tension had significant negative correlations with P and QRS axes while the arterial carbon dioxide tension had significant positive correlation with P axes only.






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Copyright © 1973 by the American College of Chest Physicians.