CHADS score or CHADS2 score is a clinical prediction rule for estimating the risk of stroke in patients with nonrheumatic atrial fibrillation (AF), a common and usually benign heart arrhythmia. It is used to determine the degree of anticoagulation therapy required, since AF can cause stasis of blood in the upper heart chambers, leading to the formation of a mural thrombus that can dislodge into the blood flow, reach the brain and cause a stroke.
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- CHADS score or CHADS2 score is a clinical prediction rule for estimating the risk of stroke in patients with nonrheumatic atrial fibrillation (AF), a common and usually benign heart arrhythmia. It is used to determine the degree of anticoagulation therapy required, since AF can cause stasis of blood in the upper heart chambers, leading to the formation of a mural thrombus that can dislodge into the blood flow, reach the brain and cause a stroke. A high CHADS2 score corresponds to a greater risk of stroke, and vice-versa. The CHADS2 score was validated by a study of nonrheumatic atrial fibrillation patients aged 65 to 95 who were not prescribed the anticoagulant warfarin.
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- CHADS score or CHADS2 score is a clinical prediction rule for estimating the risk of stroke in patients with nonrheumatic atrial fibrillation (AF), a common and usually benign heart arrhythmia. It is used to determine the degree of anticoagulation therapy required, since AF can cause stasis of blood in the upper heart chambers, leading to the formation of a mural thrombus that can dislodge into the blood flow, reach the brain and cause a stroke.
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