) What is atrial fibrillation? Describe how two major complications canarise:strokeandheart failure.This is a procedure to treat irregular arrythmias that start in the heart’s upperchambers. When someone suffers from atrial fibrillation the heart’s two upperchambers beat irregularly and not in sync with the lower chambers, not having thiscondition treated can lead to stroke or heart failure.5.(5 points) Describe the differences between ventricular tachycardia and ventricular fibrillation. Which one is life threatening?