Heart & Vessels
10 min read
Atrial Fibrillation: Why It Raises Stroke Risk Fivefold, How to Score CHA₂DS₂-VA, and Choosing Anticoagulants When Kidneys Are Weak
Atrial fibrillation is the most common sustained arrhythmia; it raises stroke risk about fivefold and AF strokes tend to be more severe.
