World of Biology on Instagram: "Ever wondered "How Rotational Atherectomy is done?" It’s a minimally invasive procedure where doctors use a tiny diamond-tipped burr that spins at high speed to grind away hardened plaque inside blocked coronary arteries. This restores smooth blood flow, especially in cases where stents cannot pass due to heavy calcification. The burr is guided through a catheter, controlled precisely, and the debris is safely washed away by blood flow. A stent is often placed aft