Risk stratification in patients with non-ST-segment 4 elevation myocardial infarction * TIMI risk score: * GRACE risk score: Numerical Parameter Point 1 Age 1, 7/10 years 2 Killip class 2, 0 / each Killip class 3 Systolic blood pressure 1, 4 / loss 20 mmHg 4 Heart rat e 1, 3 each 30 beats / minute 5 ST - segment deviation 2, 4 6 Cardiac arrest at admission 4, 3 7 Initial serum creatinin 1, 2 / increase 1mg / dL 8 Elevated cardiac markers 1, 6 Evaluate Low risk < 109 points Medium risk 109 - 140 points High risk > 140 points 1.1.4.