නිහඩ මාරයාගෙන් බේරෙන්න ☠️ How Rotational Atherectomy Works | Medical Value & The Role of Fitness in this comprehensive video, we dive deep into the world of interventional cardiology to explore Rotational Atherectomy (RA), a remarkable, minimally invasive procedure that is a lifeline for patients with severely calcified coronary arteries. We break down how the Rotablator device—a tiny, diamond-tipped burr—spins at high speeds (up to 150,000 rpm!) to precisely grind away hard, calcified plaque. T