PMC7457639_01
(a) 12-lead ECG immediately after the VT event showing T-wave inversion in I, aVL and
V1; QRS fragmentation in V3; early repolarization inferolaterally; and prolonged QTc of
532 ms. (b) Repeat ECG pre-discharge showing persistent T-wave inversion but normal ST
segments and normal QT interval of 434 ms.
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Electrocardiography (ECG) immediately after resolution of the VT (Figure 1(a)) showed T-wave inversion in I, aVL and V1; QRS fragmentation in V3; early repolarization in II, III, aVF, and V3V6; and prolonged corrected QT interval (QTc, 532 ms), while her pre-operative ECG was essentially normal (not shown). Ward telemetry recorded no arrhythmias and the ECG had normalized prior to discharge (QTc 434 ms) except for persistent T-wave inversion (Figure 1(b)).
Comparing salient findings between the early CMR scan performed 2 days after the VT
event (early column) versus 3 month follow-up scan (later column).. LGE: late gadolinium enhancement; MOCO: motion-corrected; MOLLI: modified look-locker
inversion recovery; PSIR: phase-sensitive inversion recovery; SSFP: steady-state free
precession; WT: wall thickness.
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CMR 3 months later (Figure 2) showed normalization of all myocardial T1 and T2 times, normal anteroseptal wall thickness and a reduction in LV mass (from 100 to 87 g).