TIMI myocardial perfusion grade 1

Coronary Angiography
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General Principles Overview Historical Perspective Contraindications Appropriate Use Criteria for Revascularization Complications Technique Film Quality
Anatomy & Projection Angles
Normal Anatomy Coronary arteries Dominance Right System Left System Left Main Left Anterior Descending Circumflex Median Ramus
Anatomic Variants Separate Ostia Anomalous Origins Case Example Fistula
Projection Angles Standard Views Left Coronary Artery Right Coronary Artery
Epicardial Flow & Myocardial Perfusion
Epicardial Flow TIMI Frame Count TIMI Flow Grade TIMI Grade 0 Flow TIMI Grade 1 Flow TIMI Grade 2 Flow TIMI Grade 3 Flow TIMI Grade 4 Flow Pulsatile Flow Deceleration
Myocardial Perfusion TIMI Myocardial Perfusion Grade TMP Grade 0 TMP Grade 0.5 TMP Grade 1 TMP Grade 2 TMP Grade 3
Lesion Complexity
ACC/AHA Lesion-Specific Classification of the Primary Target Stenosis
Preprocedural Lesion Morphology Eccentricity Irregularity Ulceration Intimal Flap Aneurysm Sawtooth Pattern Length Ostial location Angulation Proximal tortuosity Degenerated SVG Calcification Total occlusion Coronary Artery Thrombus TIMI Thrombus Grade TIMI Thrombus Grade 0 TIMI Thrombus Grade 1 TIMI Thrombus Grade 2 TIMI Thrombus Grade 3 TIMI Thrombus Grade 4 TIMI Thrombus Grade 5 TIMI Thrombus Grade 6
Lesion Morphology Quantitative Coronary Angiography Definitions of Preprocedural Lesion Morphology Irregular Lesion Disease Extent Arterial Foreshortening Infarct Related Artery Restenosis Degenerated SVG Collaterals Aneurysm Bifurcation Trifurcation Ulceration
Left ventriculography
Technique Quantification of LV Function Quantification of Mitral Regurgitation

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Dye slowly enters, but fails to exit the microvasculature. There is ground glass appearance (“blush”) or opacification of the myocardium in the distribution of the artery that fails to clear from the microvasculature, and dye staining is present on the next injection (approximately 30 seconds between injections).

Dye staining does not include arterial or venular stains. The TMPG should not be given a grade of 1 solely because either of the former are present, but only if myocardial or arteriole stains are present.

Example

Shown below are a static image and an animated image depicting TIMI perfusion grade 1.

Additional Examples

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References

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