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The TIMI (Thrombolysis In Myocardial Infarction) score is a valuable clinical tool used to stratify risk in patients presenting with chest pain suspected to be of cardiac origin. By assessing various clinical factors, the TIMI score helps determine the likelihood of adverse cardiac events, guiding decisions regarding early angiography, angioplasty, or surgical interventions.
Criteria | Description | Points |
---|---|---|
Age >65 years | Patients older than 65 years. | 1 |
≥3 Risk Factors | Presence of three or more risk factors such as hypertension, diabetes mellitus, smoking, family history of coronary artery disease, or dyslipidemia. | 1 |
Prior Coronary Angiogram | Previous coronary angiogram showing ≥50% stenosis. | 1 |
Aspirin Use in Past 7 Days | Administration of aspirin within the last seven days. | 1 |
At Least 2 Episodes of Rest Pain in Past 24 Hours | Multiple episodes of chest pain occurring at rest. | 1 |
ST Deviation on Admission >1 mm | Significant ST-segment changes on the initial ECG. | 1 |
Elevated Cardiac Markers | Increased levels of cardiac enzymes such as CK-MB or troponin. | 1 |
Total Points | 0-7 |
TIMI Score Range | Risk of Adverse Cardiac Event | Risk Category |
---|---|---|
0-2 | <8.3% | Low Risk |
3-4 | <19.9% | Intermediate Risk |
5-7 | Up to 41% | High Risk |