Table 2.
Presenting Characteristics and Physical Exam Findings
| No CAD n / N ( %) |
CAD n / N ( %) |
|
|---|---|---|
| Presenting Characteristics | ||
| Chest pain chief complaint | 39/44 (88.6) | 61/66 (92.4) |
| Chest pain at rest | 36/43 (83.7) | 45/65 (69.2) |
| Multiple episodes of symptoms within 24 hours of presentation |
15/43 (34.9) | 29/64 (45.3) |
| Chest pain pleuritic | 8/43 (18.6) | 12/63 (19.0) |
| Physical Exam | ||
| Heart rate (beats/minute)* | 78.9 (±14.4) | 68.9 (±23.1) |
| Systolic blood pressure (mmHg)* | 136.6 (±35.4) | 131.3 (±31.6) |
| Murmur | 1/42 (2.4) | 6/65 (9.2) |
| Rales | 0/44 (0) | 6/65 (9.2) |
| Jugular venous distention | 0/43 (0) | 0/65 (0) |
| Overall electrocardiogram classification | ||
| Normal | 30/46 (65.2) | 30/67 (44.8) |
| Nonspecific changes | 13/46 (28.3) | 19/67 (28.4) |
| Early repolarization only | 0/46 (0) | 2/67 (3.0) |
| Abnormal but not diagnostic of ischemia | 1/46 (2.2) | 2/67 (3.0) |
| Infarction or ischemia known to be old | 0 (0) | 4/67 (6.0) |
| Infarction or ischemia not known to be old | 1/46 (2.2) | 7/67 (10.5) |
| Suggestive of myocardial infarction | 1/46 (2.2) | 3/67 (4.5) |
| Risk Stratification | ||
| TIMI risk score | ||
| 0 | 25/46 (54.4) | 12/67 (17.9) |
| 1 | 17/46 (37.0) | 16/67 (23.9) |
| 2 | 3/46 (6.5) | 11/67 (16.4) |
| 3 | 1/46 (2.2) | 15/67 (22.4) |
| 4 | 0/46 (0) | 10/67 (14.9) |
| 5 | 0/46 (0) | 2/67 (3.0) |
| 6 | 0/46 (0) | 1/67 (1.5) |
| 30-day acute coronary syndrome | 1/46 (2.2) | 35/67 (52.2) |
| Cardiovascular death | 0/46 (0) | 1/67 (1.5) |
| Myocardial infarction | 1/46 (2.2) | 25/67 (37.3) |
| Revascularization | 0/46 (0) | 29/67 (43.3) |
*
data presented as mean (±SD); TIMI = thrombolysis in myocardial infarction