Launched on 6th of October 2026

Cardio.toolsby Mohamed Ghazy, MD CardiologyAin Shams University, Egypt · Cardiology Consultant, Saudi ArabiaScopus ID: 55257919100
Interventions

Bifurcation strategy (Medina + DEFINITION)

Classifies the bifurcation with Medina, identifies complex true bifurcations with the DEFINITION criteria, and maps the result to provisional or systematic two-stent strategies.

Upload a report, lab sheet or echo picture to fill this calculator automatically.
Medina classification
Tap each segment with ≥ 50% stenosis
Medina 0,0,0Not a true bifurcation
Medina 0,0,0
Tap the diseased segments.
References
  1. Medina A, et al. A new classification of coronary bifurcation lesions. Rev Esp Cardiol 2006;59:183.
  2. Chen SL, et al. Clinical outcome after DK crush versus culotte stenting of distal left main bifurcation lesions (DEFINITION criteria). JACC Cardiovasc Interv 2014;7:1266-1276.
  3. Zhang JJ, et al. Two-stent versus provisional stenting for complex coronary bifurcation lesions (DEFINITION II). Eur Heart J 2020;41:2523-2536.
  4. Hildick-Smith D, et al. The European Bifurcation Club Left Main Coronary Stent Study (EBC MAIN). Eur Heart J 2021;42:3829-3839.
  5. Chen SL, et al. Double kissing crush versus provisional stenting for left main distal bifurcation lesions (DKCRUSH-V). J Am Coll Cardiol 2017;70:2605-2617.
More in Interventions