PMC6735291_01
showed normal sinus rhythm with prolonged QTc interval of 527 msec and some non-specific T wave changes over the inferior leads.
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However, Electrocardiogram (EKG) on admission (Figure 1) exhibited a normal sinus rhythm with a prolonged QTc interval of 527ms and some non-specific T wave changes in the inferior leads.
Coronary angiogram showing normal coronary artery.
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Urgent cardiac catheterization (Figure 2) was done consistent with echocardiogram results, and severe left ventricular dysfunction was present.