Figures
![Figure 1.](/tables/cr540w-g001.jpg)
Figure 1. Double hairpin turn (white arrow) with 360° loop of radial artery (arrow head showing tip of the diagnostic catheter).
![Figure 2.](/tables/cr540w-g002.jpg)
Figure 2. BMW guidewire (0.014″) after crossing the complex loop.
![Figure 3.](/tables/cr540w-g003.jpg)
Figure 3. BMW guidewire (0.014″) after crossing the complex loop and parked distally into brachial artery.
![Figure 4.](/tables/cr540w-g004.jpg)
Figure 4. Catheter failing cross the first turn because of razor effect despite use of balloon-assisted tracking (a). Catheter successfully negotiated the 360° loop overcoming razor effect of tip of catheter after BLAST (b).
![Figure 5.](/tables/cr540w-g005.jpg)
Figure 5. Coronary angiogram revealed normal left main, left anterior descending artery, right coronary artery arising from left sinus and subtotal occlusion of proximal circumflex artery (a, b). Pre-dilatation of lesion by semi compliant balloon (c). Stent (2.75 × 21 mm Xience prime) being deployed (d).
![Figure 6.](/tables/cr540w-g006.jpg)
Figure 6. Post-stenting circumflex artery (a). Post-dilatation of stent by non-compliant balloon (b, c). Post-stenting circumflex artery (d).
![Figure 7.](/tables/cr540w-g007.jpg)
Figure 7. Final TIMI 3 of culprit artery.