Sw. Mabee et al., NORMAL ARTERIAL BLOOD-GAS IN A PATIENT WITH SADDLE PULMONARY-ARTERY EMBOLUS - DIAGNOSIS BY TRANSESOPHAGEAL ECHOCARDIOGRAPHY, Journal of the National Medical Association, 87(9), 1995, pp. 717-719
This article describes a patient with a large, main pulmonary artery t
hromboembolus with normal arterial blood gas results, including normal
alveolar-arterial oxygen gradient. The diagnosis was established usin
g transesophageal echocardiography and confirmed with pulmonary angiog
raphy, The patient subsequently underwent anticoagulation and eventual
ly was discharged without complications.