Acute Coronary Syndrome Risk Stratification
Systematically risk-stratify acute coronary syndrome using validated scoring systems
What You Can Do
This skill enables you to rapidly and systematically evaluate patients presenting with chest pain or ACS symptoms using validated clinical decision tools rather than gestalt alone. You'll integrate serial troponin results, ECG findings, and patient risk factors to determine who requires emergent catheterization, hospital admission, or safe discharge with outpatient follow-up—reducing both missed ACS cases and unnecessary invasive procedures.
Features
combines History, ECG, Age, Risk factors, and Troponin into a five-point risk assessment with disposition pathways
evaluates 0, 3, and 6-hour measurements to detect myocardial necrosis and risk-stratify negative presentations
applies alternative validated frameworks for risk stratification and prognostication in ACS populations
systematizes interpretation of STEMI equivalents, T-wave inversions, and dynamic changes relevant to disposition
addresses high-risk subgroups including elderly patients, diabetics, and post-surgical candidates who frequently present with subtle or absent symptoms
accounts for newer assays with improved sensitivity for early rule-out protocols
maps risk scores directly to actionable decisions: catheterization, admission, observation, or discharge
structures risk assessment documentation to support clinical decision-making rationale
Example Output
Example 1: Low-Risk Chest Pain
- HEART score: 3 points (low risk, <2% 30-day MACE)
- Serial troponins: negative at 0 and 3 hours (high-sensitivity assay)
- ECG: normal
- Recommendation: Safe for discharge with cardiology follow-up in 48 hours; stress test or advanced imaging as outpatient
Example 2: Intermediate-Risk with Rising Troponin
- HEART score: 6 points (intermediate risk, 15% 30-day MACE)
- Troponin: 0.02 → 0.08 ng/mL (rising over 3 hours, above 99th percentile)
- ECG: T-wave inversions in V2-V3
- Recommendation: Admit to telemetry; coronary angiography indicated given positive biomarker and ECG changes
Example 3: Atypical Presentation (Diabetic, Elderly)
- HEART score: 7 points (high risk despite atypical symptoms)
- Serial troponins: 0.01 → 0.04 ng/mL (subtle elevation in diabetic with blunted symptoms)
- ECG: subtle ST depression
- Recommendation: Urgent angiography; diabetic status and age elevate risk despite patient minimizing symptoms
What's Included
- SKILL.md instruction file: complete protocol for systematic ACS risk stratification
- HEART Score Calculator Template: structured worksheet mapping history, ECG, age, risk factors, and troponin to disposition
- Serial Troponin Interpretation Checklist: decision tree for 0, 3, and 6-hour values including high-sensitivity assay thresholds
- ECG Pattern Reference Guide: STEMI-equivalent patterns, dynamic changes, and atypical findings by patient subgroup
- Atypical Presentation Framework: risk assessment modifications for elderly, diabetic, post-surgical, and female patients
- Risk-Based Disposition Pathway: algorithm mapping HEART/TIMI/GRACE scores to specific actions (catheterization, admission, observation, discharge)
Who It's For
- Emergency Medicine Physicians — rapidly risk-stratify undifferentiated chest pain in the ED using validated tools
- Interventional Cardiologists — guide urgent catheterization decisions based on objective risk assessment and biomarker trends
- Hospitalists — manage admitted ACS patients and determine appropriate level of monitoring and testing intensity
- Chest Pain Center Directors — standardize disposition protocols across a department or health system to reduce variation
- Cardiology Fellows — develop systematic decision-making frameworks for ACS evaluation and internalize evidence-based scoring systems
Best For
- Evaluating undifferentiated chest pain presentations with serial troponin and ECG data available
- Risk-stratifying patients with atypical or subtle ACS presentations (elderly, diabetic, post-operative, female)
- Determining appropriate disposition: catheterization lab vs. admission vs. observation vs. safe discharge
- Reducing unnecessary invasive procedures while maintaining sensitivity for missed ACS cases
- Documenting risk assessment decisions for clinical and medicolegal purposes in acute care settings
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