Figure 2: Angiographic views during angioplasty after a month showed (a) selective hooking of the right coronary artery using right Judkin's 6 Fr guide catheter showed spiral dissection the well-defined true lumen follows floor (green arrow) of the vessel; (b) the distal end of spiral dissection is followed in the right anterior oblique view showed with inner border (right-hand side of operator, marked by green arrow); (c) successful wiring of spiral dissection by the precision of unaided vision (no intravenous ultrasound or optical coherence tomography) and stenting; (d) the final result was TIMI III with adequate myocardial blush