Step-by-step description of the DK crush technique. After wiring and predilating both main vessel (MV) and side branch (SB), DK crush is done in 17 steps:

1. Insert MV balloon (sized 1:1 with the distal MV) in the MV at or distal to the SB origin
2. Deliver SB stent protruding 2-3 mm in the MV
3. Deploy SB stent
4. Remove SB balloon
5. Perform angiography to assess SB result
6. Crush SB stent by inflating MV balloon
7. Rewire SB through crushed stent, then remove jailed SB wire
8. Deliver balloon in SB
9. First kissing balloon inflation
10. Remove SB and MV balloon
11. Deliver and deploy MV stent
12. Assess MV stent result
13. POT
14. Rewire SB through MV stent then remove the SB wire
15. Second kissing balloon inflation
16. Final POT
17. Final angiography