Atrial fibrillation extras

As discussed in the podcast, here is the stroke risk calculatorĀ and an ECG example

CHADS2 Scoring Scheme

Condition Points
C Congestive heart failure 1
H Hypertension 1
A Age > 75 years 1
D Diabetes Mellitus 1
S2 PriorĀ Strokeor TIA 2

Annual Stroke Risk with Respect to CHADS 2 Score (1)

CHADS2 Score Stroke Risk % 95% confidence interval
0 1.9 1.2-3.0
1 2.8 2.0-3.8
2 4.0 3.1-5.1
3 5.9 4.6-7.3
4 8.5 6.3-11.1
5 12.5 8.2-17.5
6 18.2 10.5-27.4

AF rapid ventricular response