Fig. 2From: The rotational atherectomy with a guide extension catheter for calcified and tortuous lesions in left anterior descending artery: a case reportCoronary angiography and intravascular ultrasound (IVUS) imaging. a Rotational atherectomy supported by the Guidezilla II (arrow). b IVUS view (a, white line) showing a cracked calcified nodule at 7 o’clock. c Final result after stent (bidirectional arrows) deploymentBack to article page