The simplified revised Geneva score (SRG, see previous section) can be used in conjunction with the D-dimer test to evaluate a patient for pulmonary embolus (PE).
D-dimer test (VIDAS D-dimer exclusion test, bioMerieux): A value < 500 ng/mL excludes a pulmonary embolus.
|
SRG Interpretation (3 Tier) |
D-Dimer |
Percent with PE |
|
low risk |
negative |
0% |
|
low risk |
positive |
19% |
|
low risk |
unknown |
22% |
|
intermediate risk |
negative |
0% |
|
intermediate risk |
positive |
36% |
|
intermediate risk |
unknown |
48% |
|
high risk |
NA |
64% |
|
SRG Interpretation (2 Tier) |
D-Dimer |
Percent with PE |
|
unlikely |
negative |
0% |
|
unlikely |
positive |
22% |
|
unlikely |
unknown |
28% |
|
likely |
NA |
42% |
Specialty: Pulmonology
ICD-10: ,
