2011年5月21日 星期六
Left lung oligemia (Westermark sign)
pulmonary embolism in left pulmonary artery
pulmonary infarction
1. Only 10% involve the upper lobe
2. pulmonary infarction 10-15%, wedge-shaped
3. Westermark’s sign (focal oligemia) Palla’s sign (prominent right descending pulmonary artery)
4. Pleural effusion
5. Elevated the diaphram
References: Radiology of Chest Diseases
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