What is chronic total occlusion in Interventional Cardiology?

A completely blocked coronary artery with TIMI 0 flow present for more than three months.

Interventional Cardiology Glossary

100 terms total — 1 showing — Last updated 26 Oct 2026

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Term of the Day

Intermediate Technical IVT

Achievement of <30% residual stenosis with TIMI 3 flow and no major complications during percutaneous coronary intervention.

26 Oct 2026

Showing 1–1 of 100

Advanced Technical IVT

A completely blocked coronary artery with TIMI 0 flow present for more than three months.

CTO chronic coronary occlusion

Technical Term Full entry →

Glossary terms, with category, difficulty and definition
Term	Category	Difficulty	Definition
chronic total occlusion IVT	Technical Term	Advanced	A completely blocked coronary artery with TIMI 0 flow present for more than thre...

Glossary Stats

Total terms 100

IVT eligible 100

Verified 0

intermediate 48

advanced 44

professional 8