Term
| 2 or more large mismatched segmental perfusion defects |
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Definition
High probability
>=80% chance of PE |
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|
Term
High probability scan
What % have PE? |
|
Definition
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|
Term
| One large plus two moderate mismatched segmental perfusion defect |
|
Definition
High probability
>= 80% chance of PE |
|
|
Term
| Four moderate mismatched segmental perfusion defects |
|
Definition
High probability
>=80% chance of PE |
|
|
Term
| One large plus one moderate mismatched segmental perfusion defects |
|
Definition
Intermediate probability
20%-79% chance of PE |
|
|
Term
| A single matched segmental perfusion defect of any size, with clear chest x-ray |
|
Definition
Intermediate probability
20%-79% chance of PE |
|
|
Term
| Any perfusion defect with a substantially larger chest x-ray abnormality |
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Definition
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|
Term
| Solitary triple-matched segmental defect in the mid or upper lung zone |
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Definition
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|
Term
| Stripe of perfused lung tissue between a perfusion defect and the adjacent pleural surface |
|
Definition
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|
Term
| Pleural effusion, no other defect |
|
Definition
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|
Term
| One to three small segmental perfusion defects (<25% of segment) |
|
Definition
|
|
Term
| Solitary triple-matched defect in the lower lung zone |
|
Definition
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|
Term
| Specificity of a normal or very low probability VQ scan? |
|
Definition
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