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TIMI thrombus grade 5

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rim Halaby, M.D. [2]

Overview

Overview

In TIMI Grade 5 thrombus, a recent total occlusion is present. [1]

The characteristics of a recent total occlusion are:

  • There is often a beak like appearance of the occlusion. Chronic occlusions tend to have a more abrupt or straight appearance.
  • The clot has not propagated backward to the most distal branch.
  • Some collaterals may be present, but usually there are not extensive collaterals.
Example

Example

Shown below are an animated image and a static image depicting TIMI grade 5 thrombus in the RCA. Outlined in yellow in the image on the right is the beak like appearance of the occlusion.

TIMI grade 5 thrombus in the RCA TIMI grade 5 thrombus in the RCA. Note the beak like appearance of the thrombus which is outlines in yellow.

Additional Examples

Additional Examples

Click here for other examples on TIMI thrombus grade 5.

References

References

  1. Gibson CM, de Lemos JA, Murphy SA, Marble SJ, McCabe CH, Cannon CP; et al. (2001). “Combination therapy with abciximab reduces angiographically evident thrombus in acute myocardial infarction: a TIMI 14 substudy”. Circulation. 103 (21): 2550–4. PMID 11382722.

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