Ricci et al reported the Brown ESUS-AF score for evaluating a patient with an embolic stroke from an unknown source (ESUS). This can help to identify a patient who should have more aggressive testing. The authors are from Brown University.
Patient selection: embolic stroke of unknown source (ESUS)
Parameters:
(1) age in years
(2) left atrial enlargement
Parameter
Finding
Points
age
< 65 years
0
65 to 74 years
1
>= 75 years
2
left atrial enlargement
none or mild
0
moderate or severe
2
total score =
= SUM(points for both parameters)
Interpretation:
• minimum score: 0
• maximum score: 4
Total Score
Atrial Fibrillation
0
4.2%
1
15%
2
21%
3
22%
4
56%
Performance:
• The area under the ROC curve is 0.725.
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