Application of the Thrombolysis In Myocardial Infarction Risk Index in NonST-Segment Elevation Myocardial Infarction
Evaluation of Patients in the National Registry of Myocardial Infarction
Stephen D. Wiviott, MD*, ,*,
David A. Morrow, MD, MPH, FACC*, ,
Paul D. Frederick, MPH, MBA ,
Elliott M. Antman, MD, FACC*, and
Eugene Braunwald, MD, MACC*,
* TIMI Study Group
Cardiovascular Division, Brigham and Women's Hospital, Boston, Massachusetts
Ovation Research Group, Seattle, Washington

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Figure 1 (A) Relationship between Thrombolysis In Myocardial Infarction (TIMI) risk index and mortality in nonST-segment myocardial infarction (NSTEMI) (line smoothed to fit data). (B) Relationship between TIMI risk index and mortality in ST-segment myocardial infarction (STEMI), NSTEMI. Inset graph shows mortality in full group by diagnosis. HR = heart rate; RT = reperfusion therapy; SBP = systolic blood pressure.
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Figure 2 Distribution of Thrombolysis In Myocardial Infarction risk index in patients with ST-segment myocardial infarction (STEMI) versus nonST-segment myocardial infarction (NSTEMI). RT = early reperfusion therapy.
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Figure 3 Relationship of left ventricular (LV) ejection fraction to risk index value. TIMI = Thrombolysis In Myocardial Infarction.
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