Hypothetical Differential Diagnosis and Pre-Test and Post-Test Probabilities for Chest Pain in a 50-Year-Old With Hypertension and Diabetes who Smokes Cigarettes
Diagnosis | Pre-Test Probability | Post-Test Probability I (Additional Findings of Leg Pain, Swelling, and Normal ECG and Chest Radiograph) | Post-Test Probability II (Additional Findings of Segmental Defect on Chest CT Angiography and Normal Serum Troponin I Level) |
|---|---|---|---|
Acute coronary syndrome | 40% | 28% | 1% |
ST-segment elevation myocardial infarction | 20% | < 1% | < 1% |
Chest wall pain | 30% | 20% | < 1% |
Pulmonary embolism | 5% | 50% | 98% |
Dissecting thoracic aortic aneurysm | < 3% | < 1% | < 1% |
Spontaneous pneumothorax | < 2% | < 1% | < 1% |
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