What are TIMI grades ?
Grades determined in the Thrombolysis in Myocardial Infarction trial (TIMI) that measure coronary blood flow and luminal narrowing:
• Grade 0: no flow of contrast beyond the point of occlusion.
• Grade I: penetration with minimal perfusion (contrast fails to opacify the entire coronary bed distal to the stenosis for the duration of investigation).
• Grade 2: partial perfusion (contrast opacities the entire distal coronary artery, but the rate of entry or clearance or both is slower in the previously blocked artery than in nearby normally perfused vessels).
• Grade 3: Complete perfusion (contrast filling and clearance are as rapid in the previously blocked vessel as in normally pert'used vessels).
Lexo edhe:
Grades determined in the Thrombolysis in Myocardial Infarction trial (TIMI) that measure coronary blood flow and luminal narrowing:
• Grade 0: no flow of contrast beyond the point of occlusion.
• Grade I: penetration with minimal perfusion (contrast fails to opacify the entire coronary bed distal to the stenosis for the duration of investigation).
• Grade 2: partial perfusion (contrast opacities the entire distal coronary artery, but the rate of entry or clearance or both is slower in the previously blocked artery than in nearby normally perfused vessels).
• Grade 3: Complete perfusion (contrast filling and clearance are as rapid in the previously blocked vessel as in normally pert'used vessels).
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