Table 6System (devised by the TIMI [Thrombolysis in Myocardial Infarction] investigators) used to grade the flow of contrast dye that has been injected into coronary arteries during percutaneous transluminal coronary angioplasty

Contrast flowTIMI grade
Prompt anterograde flow and rapid clearing3
Slowed distal filling but full opacification of distal vessel2
Small amount of flow but incomplete opacification of distal vessel1
No contrast flow0

From: Chapter 5, Coronary artery disease

Cover of Cardiology Explained
Cardiology Explained.
Ashley EA, Niebauer J.
London: Remedica; 2004.
Copyright © 2004, Remedica.

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