STEPHEN P. GLASSER, MC
To the editor: Dr. Cohen and co-workers (Ann Intern Med 72:537-542, 1970) reported a very fascinating patient with unilateral pulmonary fibrosis. It is unfortunate that flows were not measured at the time of the first catheterization and that a pulmonary wedge pressure was not reported from the second catheterization. Was the right atrial or right ventricular end-diastolic pressure, or both, measured at either catheterization? Without this information one must question whether the values represent a true difference or if some or all of the difference is related to different zero points. This latter is suggested by a change in the
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GLASSER SP. Blood Pressures in Pulmonary Fibrosis. Ann Intern Med. 1970;73:341. doi: 10.7326/0003-4819-73-2-341_1
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Published: Ann Intern Med. 1970;73(2):341.
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