Findings on cardiac magnetic resonance imaging in patients with undetectable infarct mass
| Patient . | Time between presentation and CMR (days) . | LVEF (%) . | LVEF within normal range . | LVEDV (ml) . | LVEDV within normal range . | LV mass (g) . | LV mass within normal range . | Infarct-typical LGE . | Increased native T1 times . | Pathological findings on CMR . |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 60 | Yes | 163 | Slightly increased | 75 | Yes | None | No | Slightly dilated left ventricle without evidence of cardiomyopathy or myocarditis |
| 2 | 119 | 68 | Yes | 167 | Yes | 114 | Yes | None | No | None |
| 3 | 179 | 66 | Yes | 80 | Yes | 78 | Yes | None | No | None |
| 4 | 4 | 70 | Yes | 93 | Yes | 83 | Yes | None | No | Small pericardial effusion |
| 5 | 211 | 62 | Yes | 153 | Yes | 115 | Yes | None | No | Hypertrophy of the interventricular septum (14 mm), inducible wall motion abnormality (anterolateral midventricular, 1 segment) |
| 6 | 1 | 41 | Moderately reduced | 160 | Increased | 80 | Yes | None | Yes | Moderately reduced LVEF, dilated left ventricle, hypokinaesia and akinaesia of apical and medial segments, elevated native T1 times, pericardial effusion on the RV, hypertrophy of the interventricular septum |
| 7 | 140 | 70 | Yes | 116 | Yes | 84 | Yes | None | No | None |
| 8 | 2 | 66 | Yes | 146 | Yes | 101 | Yes | None | Yes | Inducible perfusion deficit anteroseptal midventricular (1 segment), elevated native T1 times, concentric hypertrophy |
| 9 | 129 | 55 | Yes | 154 | Yes | 112 | Yes | None | No | Reduced longitudinal LV function (MAPSE 9 mm), concentric hypertrophy |
| 10 | 14 | 71 | Yes | 104 | Yes | 96 | Yes | None | Yes | Myocardial recess, DDx aborted ventricular septal defect, elevated native T1 times, hypertrophy of the interventricular septum |
| 11 | 35 | 62 | Yes | 138 | Yes | 118 | Yes | None | N.A. | None |
| 12 | 6 | 63 | Yes | 122 | Yes | 60 | Yes | None | No | None |
| 13 | 163 | 63 | Yes | 184 | Yes | 131 | Yes | None | No | Inducible perfusion deficit inferior basal to midventricular and inferior-septal basal, hypertrophy of the interventricular septum |
| 14 | 25 | 56 | Yes | 146 | Yes | 128 | Yes | None | No | Inducible perfusion deficit anterior and anterior-lateral midventricular to apical, hypokinaesia anterior and anterior-lateral midventricular, hypertrophy of the interventricular septum |
| Patient . | Time between presentation and CMR (days) . | LVEF (%) . | LVEF within normal range . | LVEDV (ml) . | LVEDV within normal range . | LV mass (g) . | LV mass within normal range . | Infarct-typical LGE . | Increased native T1 times . | Pathological findings on CMR . |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 60 | Yes | 163 | Slightly increased | 75 | Yes | None | No | Slightly dilated left ventricle without evidence of cardiomyopathy or myocarditis |
| 2 | 119 | 68 | Yes | 167 | Yes | 114 | Yes | None | No | None |
| 3 | 179 | 66 | Yes | 80 | Yes | 78 | Yes | None | No | None |
| 4 | 4 | 70 | Yes | 93 | Yes | 83 | Yes | None | No | Small pericardial effusion |
| 5 | 211 | 62 | Yes | 153 | Yes | 115 | Yes | None | No | Hypertrophy of the interventricular septum (14 mm), inducible wall motion abnormality (anterolateral midventricular, 1 segment) |
| 6 | 1 | 41 | Moderately reduced | 160 | Increased | 80 | Yes | None | Yes | Moderately reduced LVEF, dilated left ventricle, hypokinaesia and akinaesia of apical and medial segments, elevated native T1 times, pericardial effusion on the RV, hypertrophy of the interventricular septum |
| 7 | 140 | 70 | Yes | 116 | Yes | 84 | Yes | None | No | None |
| 8 | 2 | 66 | Yes | 146 | Yes | 101 | Yes | None | Yes | Inducible perfusion deficit anteroseptal midventricular (1 segment), elevated native T1 times, concentric hypertrophy |
| 9 | 129 | 55 | Yes | 154 | Yes | 112 | Yes | None | No | Reduced longitudinal LV function (MAPSE 9 mm), concentric hypertrophy |
| 10 | 14 | 71 | Yes | 104 | Yes | 96 | Yes | None | Yes | Myocardial recess, DDx aborted ventricular septal defect, elevated native T1 times, hypertrophy of the interventricular septum |
| 11 | 35 | 62 | Yes | 138 | Yes | 118 | Yes | None | N.A. | None |
| 12 | 6 | 63 | Yes | 122 | Yes | 60 | Yes | None | No | None |
| 13 | 163 | 63 | Yes | 184 | Yes | 131 | Yes | None | No | Inducible perfusion deficit inferior basal to midventricular and inferior-septal basal, hypertrophy of the interventricular septum |
| 14 | 25 | 56 | Yes | 146 | Yes | 128 | Yes | None | No | Inducible perfusion deficit anterior and anterior-lateral midventricular to apical, hypokinaesia anterior and anterior-lateral midventricular, hypertrophy of the interventricular septum |
CMR, cardiac magnetic resonance imaging; EDV, end-diastolic volume; EF, ejection fraction; Hs-cTnT, high-sensitive cardiac troponin T; LGE, late gadolinium enhancement; LV, left ventricle; MAPSE, mitral annular plane systolic excursion; RV, right ventricle; N.A., not available.
Findings on cardiac magnetic resonance imaging in patients with undetectable infarct mass
| Patient . | Time between presentation and CMR (days) . | LVEF (%) . | LVEF within normal range . | LVEDV (ml) . | LVEDV within normal range . | LV mass (g) . | LV mass within normal range . | Infarct-typical LGE . | Increased native T1 times . | Pathological findings on CMR . |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 60 | Yes | 163 | Slightly increased | 75 | Yes | None | No | Slightly dilated left ventricle without evidence of cardiomyopathy or myocarditis |
| 2 | 119 | 68 | Yes | 167 | Yes | 114 | Yes | None | No | None |
| 3 | 179 | 66 | Yes | 80 | Yes | 78 | Yes | None | No | None |
| 4 | 4 | 70 | Yes | 93 | Yes | 83 | Yes | None | No | Small pericardial effusion |
| 5 | 211 | 62 | Yes | 153 | Yes | 115 | Yes | None | No | Hypertrophy of the interventricular septum (14 mm), inducible wall motion abnormality (anterolateral midventricular, 1 segment) |
| 6 | 1 | 41 | Moderately reduced | 160 | Increased | 80 | Yes | None | Yes | Moderately reduced LVEF, dilated left ventricle, hypokinaesia and akinaesia of apical and medial segments, elevated native T1 times, pericardial effusion on the RV, hypertrophy of the interventricular septum |
| 7 | 140 | 70 | Yes | 116 | Yes | 84 | Yes | None | No | None |
| 8 | 2 | 66 | Yes | 146 | Yes | 101 | Yes | None | Yes | Inducible perfusion deficit anteroseptal midventricular (1 segment), elevated native T1 times, concentric hypertrophy |
| 9 | 129 | 55 | Yes | 154 | Yes | 112 | Yes | None | No | Reduced longitudinal LV function (MAPSE 9 mm), concentric hypertrophy |
| 10 | 14 | 71 | Yes | 104 | Yes | 96 | Yes | None | Yes | Myocardial recess, DDx aborted ventricular septal defect, elevated native T1 times, hypertrophy of the interventricular septum |
| 11 | 35 | 62 | Yes | 138 | Yes | 118 | Yes | None | N.A. | None |
| 12 | 6 | 63 | Yes | 122 | Yes | 60 | Yes | None | No | None |
| 13 | 163 | 63 | Yes | 184 | Yes | 131 | Yes | None | No | Inducible perfusion deficit inferior basal to midventricular and inferior-septal basal, hypertrophy of the interventricular septum |
| 14 | 25 | 56 | Yes | 146 | Yes | 128 | Yes | None | No | Inducible perfusion deficit anterior and anterior-lateral midventricular to apical, hypokinaesia anterior and anterior-lateral midventricular, hypertrophy of the interventricular septum |
| Patient . | Time between presentation and CMR (days) . | LVEF (%) . | LVEF within normal range . | LVEDV (ml) . | LVEDV within normal range . | LV mass (g) . | LV mass within normal range . | Infarct-typical LGE . | Increased native T1 times . | Pathological findings on CMR . |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 60 | Yes | 163 | Slightly increased | 75 | Yes | None | No | Slightly dilated left ventricle without evidence of cardiomyopathy or myocarditis |
| 2 | 119 | 68 | Yes | 167 | Yes | 114 | Yes | None | No | None |
| 3 | 179 | 66 | Yes | 80 | Yes | 78 | Yes | None | No | None |
| 4 | 4 | 70 | Yes | 93 | Yes | 83 | Yes | None | No | Small pericardial effusion |
| 5 | 211 | 62 | Yes | 153 | Yes | 115 | Yes | None | No | Hypertrophy of the interventricular septum (14 mm), inducible wall motion abnormality (anterolateral midventricular, 1 segment) |
| 6 | 1 | 41 | Moderately reduced | 160 | Increased | 80 | Yes | None | Yes | Moderately reduced LVEF, dilated left ventricle, hypokinaesia and akinaesia of apical and medial segments, elevated native T1 times, pericardial effusion on the RV, hypertrophy of the interventricular septum |
| 7 | 140 | 70 | Yes | 116 | Yes | 84 | Yes | None | No | None |
| 8 | 2 | 66 | Yes | 146 | Yes | 101 | Yes | None | Yes | Inducible perfusion deficit anteroseptal midventricular (1 segment), elevated native T1 times, concentric hypertrophy |
| 9 | 129 | 55 | Yes | 154 | Yes | 112 | Yes | None | No | Reduced longitudinal LV function (MAPSE 9 mm), concentric hypertrophy |
| 10 | 14 | 71 | Yes | 104 | Yes | 96 | Yes | None | Yes | Myocardial recess, DDx aborted ventricular septal defect, elevated native T1 times, hypertrophy of the interventricular septum |
| 11 | 35 | 62 | Yes | 138 | Yes | 118 | Yes | None | N.A. | None |
| 12 | 6 | 63 | Yes | 122 | Yes | 60 | Yes | None | No | None |
| 13 | 163 | 63 | Yes | 184 | Yes | 131 | Yes | None | No | Inducible perfusion deficit inferior basal to midventricular and inferior-septal basal, hypertrophy of the interventricular septum |
| 14 | 25 | 56 | Yes | 146 | Yes | 128 | Yes | None | No | Inducible perfusion deficit anterior and anterior-lateral midventricular to apical, hypokinaesia anterior and anterior-lateral midventricular, hypertrophy of the interventricular septum |
CMR, cardiac magnetic resonance imaging; EDV, end-diastolic volume; EF, ejection fraction; Hs-cTnT, high-sensitive cardiac troponin T; LGE, late gadolinium enhancement; LV, left ventricle; MAPSE, mitral annular plane systolic excursion; RV, right ventricle; N.A., not available.
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