TABLE 3.
Initial SCAD presentation
| Vital signs | Mean (IQR) |
|---|---|
| HR (beats/min) | 76 (65–84) |
| Blood pressure | |
| Systolic (mm Hg) | 133 (116–147) |
| Diastolic (mm Hg) | 79 (68–90) |
| n (%) | |
| Troponin | |
| Troponin data available | 1023 (85.5) |
| Initial troponin negative | 206 (20.1) |
| Presentationa | |
| Unstable Angina | 20 (1.7) |
| NSTEMI | 688 (57.5) |
| STEMI | 460 (38.5) |
| Cardiac Arrest | 105 (8.8) |
| Ventricular Fibrillation | 94 (7.9) |
| Ventricular Tachycardia | 106 (8.9) |
| ECG Findings | |
| Missing ECG data | 117 (9.8) |
| ECGb | 1079 (90.2) |
| Normal ECG | 170 (15.8) |
| ST elevation | 494 (45.8) |
| ST depression | 62 (5.7) |
| ST abnormality | 93 (8.6) |
| T-wave abnormality | 235 (21.8) |
Note: Data in this table were abstracted from medical records. Abbreviations: HR, heart rate; NSTEMI, non–ST-elevation myocardial infarction; STEMI, ST-elevation myocardial infarction.
a
Note that presentation sum is greater than 100% as subjects may have presented with more than one presentation type.
b
ECG data taken from physician interpretation reported in medical record. n = 1196.