Table 3.
Cardiovascular magnetic resonance findings
| Number (%) or median (range) | |
|---|---|
| Left ventricular end-diastolic volume (ml/m2) | 87 (38-222) |
| Left ventricular ejection fraction (%) | 56 (10-74) |
| Left ventricular ejection fraction <45 % | 29 (20 %) |
| Right ventricular end-diastolic volume (ml/m2) | 87 (44-138) |
| Right ventricular ejection fraction (%) | 54 (15-72) |
| Right ventricular ejection fraction <40 % | 11 (8 %) |
| Late gadolinium enhancement imaging performed | 143 (100 %) |
| Abnormal | 115 (80 %) |
| Distributiona | |
| Subepicardial | 69 (48 %) |
| Midwall | 63 (44 %) |
| Patchy | 9 (6 %) |
| Subendocardial | 6 (4 %) |
| T2-weighted imaging performed | 99 (69 %) |
| Abnormal | 70 (74 %) |
| First-pass perfusion imaging performed | 69 (48 %) |
| Abnormal | 5 (8 %) |
| Early gadolinium enhancement imaging performed | 40 (28 %) |
| Abnormal | 22 (60 %) |
| Final interpretation regarding myocarditis | |
| Positive | 117 (82 %) |
| Negative | 18 (13 %) |
| Equivocal | 7 (5 %) |
aSome patients had more than 1 pattern of distribution