calculating the risk of stroke in atrial fibrillation

Tuesday, March 20, 2018

CHADS-VASC Calculator

C  Congestive heart failure (or Left ventricular systolic dysfunction) 1
 H  Hypertension: blood pressure consistently above 140/90 mmHg (or treated hypertension on medication) 1
 A  Age ≥75 years 2
 D  Diabetes Mellitus 1
 S  Prior Stroke or TIA or thromboembolism 2
 V  Vascular disease (e.g. peripheral artery disease, myocardial infarction, aortic plaque) 1
 A  Age 65–74 years 1
 Sc  Sex category (i.e. female sex) 1

 

Annual Stroke Risk

CHADS-VASc Score Stroke Risk %
0 0
1 1.3
2 2.2
3 3.2
4 4.0
5 6.7
6 9.8
7 9.6
8 12.5
9 15.2

 

 

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One Response to calculating the risk of stroke in atrial fibrillation

  1. […] is bleeding. The question becomes how much benefit versus how much risk. Calculators (like CHADS-VASC) can be used to help decide whether anticoagulation is beneficial and other calculators (HasBled) […]

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