ECG on Instagram: "Coronary Rotational Atherectomy — Quick Summary ✅ A procedure using a rotating diamond-tipped burr to remove calcified plaque in coronary arteries. ✅ Indicated for severely calcified lesions where balloons or stents can’t pass or expand. ✅ Burr spins at 150,000–200,000 rpm, breaking plaque into microscopic particles. ✅ Used to prepare the artery for safe and effective stent placement. ✅ Common in cases of balloon-resistant or undilatable lesions. ✅ Risks include bradycardia, v