@doctok_4d: How do doctors clear rock-hard plaque from your arteries? 🩺 Watch this! This 3D animation reveals how rotational atherectomy surgery uses a tiny spinning burr to break down stubborn artery blockages — restoring blood flow and saving lives. 💓⚙️ #HeartSurgery #Atherectomy #MedicalAnimation #DoctorExplains #HealthTok