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Transient right-to-left shunt in massive pulmonary embolism
G Panoutsopoulos1, L Ilias, I Christakopoulou
1Department of Nuclear Medicine, SOTIRIA Chest Hospital of Athens, Greece. ilias@compulink.gr
Annals of Nuclear Medicine
|August 2, 2000
Summary
Massive pulmonary embolism can cause a temporary right-to-left shunt, detected by Tc-99m MAA lung scans. This shunt resolves as pulmonary vascular pressure decreases, suggesting passage through pulmonary arteriovenous anastomoses.
Area of Science:
- Nuclear Medicine
- Cardiopulmonary Imaging
- Radiopharmacology
Background:
- Acoustic neurinoma surgery can lead to complications.
- Pulmonary embolism (PE) is a serious condition affecting lung vasculature.
- Right-to-left (R-L) shunts can alter diagnostic imaging results.