PMC1325039_01
12-lead ECG on admission.
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F1
The 12-lead ECG (figure 1) revealed atrial fibrillation with a broad QRS complex (320 ms) with a sine wave appearance.
12-lead ECG after thrombolysis.
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F2
Ten minutes later there was a significant change in her ECG (figure 2).
12-lead ECG after treatment.
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F3
During this period her QRS duration gradually returned to normal (figure 3) with left axis deviation and first degree heart block (which was present 12 months previously).