India, Aug. 9 -- Dr Dmitry Yaranov, a cardiologist, known as 'Heart Transplant Doc' on Instagram, took to the platform on August 7 to discuss the left atrial appendage (LAA), a small, ear-shaped pouch connected to the left atrium of the heart. While it may seem like a small, insignificant structure, the LAA plays a role in cardiac function and has clinical implications, the cardiologist explained. Also read | Cardiologist reveals 'blood test that predicts heart attacks and could save your life'

He said, "Why plug the pouch in your heart? Let's talk about the Watchman. Your heart has a tiny pouch called the left atrial appendage - kind of like a little pocket off the left atrium. And if you have atrial fibrillation, that pouch is where > ...