Clinical findings on admission according to the presence (cTnI+) or absence (cTnI−) of an early increase in cardiac troponin I (cTnI)
| cTnI+ (n = 14) | cTnI− (n = 34) | p Value | |
|---|---|---|---|
| Data are mean (SD) or number (%). | |||
| Heart rate (beats/min) | 108 (17) | 98 (18) | 0.082 |
| Systolic blood pressure (mm Hg) | 123 (16) | 130 (20) | NS |
| O2 saturation (%) | 86 (7) | 93 (4) | <0.0001 |
| O2 partial pressure (mm Hg) | 54 (6) | 65 (8) | 0.044 |
| D dimer (μg/ml) | 11.5 (6.2) | 8.9 (6.4) | NS |
| ECG | |||
| Normal | 0 | 5 (15%) | NS |
| Right bundle branch block | 8 (57%) | 12 (35%) | NS |
| S1Q3 T3 | 6 (43%) | 8 (24%) | NS |
| T wave abnormalities | 8 (57%) | 16 (47%) | NS |
| Other | 1 (7%) | 4 (12%) | NS |
| Echocardiogram | (n = 13) | (n = 33) | |
| Normal | 0 | 5 (15%) | NS |
| Right ventricular dilatation/hypokinesia | 13 (100%) | 25 (76%) | NS |
| Paradoxical septal motion | 3 (23%) | 5 (15%) | NS |
| Mass (embolus in transit) | 1 (8%) | 4 (12%) | NS |
| Tricuspid regurgitation ⩾2.5 cm/s | 10 (77%) | 24 (73%) | NS |
| Pulmonary systolic pressure (mm Hg) | 60 (13) | 54 (14) | 0.115 |