JOEL MORGANROTH, M.D.; ALBERT DEISSEROTH, M.D.; STANLEY WINOKUR, M.D.
To the editor: SZUCS and co-workers in their article "Diagnostic Sensitivities of Laboratory Findings in Acute Pulmonary Embolism" in the February issue of the ANNALS, reported that all patients demonstrated to have acute pulmonary embolism by pulmonary arteriography had arterial PO2 levels less than 80 mm Hg and, therefore, that if suspected patients have arterial PO2 greater than 80 mm Hg, acute pulmonary embolism is essentially excluded.
We wish to report the finding of arterial PO2 levels above 80 mm Hg in two patients, one, an older, chronically ill patient and the second, representative of the young ambulatory patient group,
MORGANROTH J, DEISSEROTH A, WINOKUR S. Laboratory Findings in Pulmonary Embolism. Ann Intern Med. ;75:138–140. doi: 10.7326/0003-4819-75-1-138
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Published: Ann Intern Med. 1971;75(1):138-140.
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