JOHN MILLS, M.D.; DENIS DREW, B.S.
To the editor: In the February 1971 issue Szucs and associates (1) reported that in 50 patients with angiographically proved pulmonary emboli the partial pressure of oxygen (PO2), with room air, was less than 80 mm Hg and that lung scans were abnormal in all patients tested. They concluded that the diagnosis of pulmonary embolism could be excluded if findings in either of these tests were normal.
We have seen two patients with angiographically proved pulmonary emboli but normal arterial PO2:
A 64-year-old woman was admitted because of progressive ankle edema, right-sided pleuritic chest pain, shortness of breath, and sweating,
MILLS J, DREW D. Pulmonary Embolism Without Arterial Hypoxemia. Ann Intern Med. ;75:972. doi: 10.7326/0003-4819-75-6-972_2
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Published: Ann Intern Med. 1971;75(6):972.
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