TY - JOUR T1 - Burr induced guide-tip damage during rotational atherectomy of an aberrant left main stem JF - Heart JO - Heart SP - 1549 LP - 1549 DO - 10.1136/hrt.2010.204982 VL - 96 IS - 19 AU - Bethan Freestone AU - Peter F Ludman AU - Sagar N Doshi Y1 - 2010/10/01 UR - http://heart.bmj.com/content/96/19/1549.abstract N2 - An 87-year-old man presented with chest pain. ECG showed widespread ischaemia and biomarkers were elevated. Coronary angiography showed a single, aberrant coronary artery arising from the right sinus (panel A). The left main stem was heavily calcified and severely diseased (panel A arrow). In view of calcification rotational atherectomy was employed using a 1.75 and … ER -