Atrial fibrillation (A-fib, AF) - causes, symptoms, treatment & pathology

What is atrial fibrillation? Atrial fibrillation is an atrial arrhythmia where the upper chambers don't contract normally, causing higher heart rates in the lower chambers. Find more videos at http://osms.it/more. Study better with Osmosis Prime. Retain more of what you’re learning, gain a deeper understanding of key concepts, and feel more prepared for your courses and exams. Sign up for a free trial at http://osms.it/more. Subscribe to our Youtube channel at http://osms.it/subscribe. Get early access to our upcoming video releases, practice questions, giveaways and more when you follow us on social: Facebook: http://osms.it/facebook Twitter: http://osms.it/twitter Instagram: http://osms.it/instagram Osmosis's Vision: Empowering the world’s caregivers with the best learning experience possible.