PMC5346396_01
(a) Initial 12-lead ECG after removal of foreign body showing sinus rhythm, LBBB, and one supraventricular premature complex. (b) Second 12-lead ECG showing sinus tachycardia, the same LBBB, and new ST depressions in II, III, and aVF, as well as more prominent ST depression in V5 and V6 in the setting of LBBB.
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fig1
Electrocardiogram (ECG) showed a left bundle branch block (LBBB) that did not meet Sgarbossa criteria; however there was no prior ECG to compare with (Figure 1(a)); vital signs were normal and initial troponin T was undetectable. Repeat ECG (Figure 1(b)) showed sinus tachycardia, LBBB, and more prominent ST depressions in inferior and lateral leads; patient denied chest pain or dyspnea but reported mild abdominal pain.