Atrioventricular (AV) block - first, second, third (complete) degree HD

What is atrioventricular (AV) block? It is a type of heart block where the electrical signal moving through the heart gets delayed or blocked entirely when moving from the upper chambers–the atria—to the lower chambers—the ventricles. Watch the full video here: http://osms.it/AVBlock 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 Thank you to our Patreon supporters: Sumant Nanduri Omar Berrios Alex Wright Suzanne Peek Prayag Tapiavala Arfan Azam Mingli Féng Osmosis: Empowering the world’s caregivers with the best learning experience possible.