Clinical and echocardiographic predictors of stroke in atrial fibrillation

Clinical factors
History of hypertension
Recent (within 3 months) HF
Previous cerebrovascular event (stroke or TIA)
Echocardiographic factors
Global left ventricular dysfunction
Dilated atrium on M-mode (≥4.7 cm or 2.4 cm/m2)
Stroke risk (per year) based on clinical factors
No risk factors	2.5 percent
1 risk factor	7.2 percent
1 or 2 risk factors	17.6 percent
Stroke risk (per year) based on clinical and echocardiographic factors
No risk factors	1.0 percent
1 risk factor	6.0 percent
2 or 3 risk factors	18.6 percent

Predictors_of_stroke_in_AF.htm

Adapted from: Stroke Prevention in Atrial Fibrillation Investigators. Ann Intern Med 1992; 116:1 and 1992; 116:6.

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