PMC3017698_01
Chest X-ray at admission. The chest X-ray is normal with a slight cardiomegaly.
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F1
The chest X-ray was normal with slight cardiomegaly (Fig. 1).
(A) A 12-lead electrocardiogram of the patient before using bortezomib. No specific ST or T abnormalities, with normal sinus rhythm. (B) A 12-lead electrocardiogram of the patient at admission. More P waves than the QRS complexes and dissociation with P waves and QRS complexes, which stands for complete atrioventricular block.
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F2
The electrocardiogram revealed a complete AV block with premature ventricular block and ventricular rate of 53 bpm (Fig. 2B). Previous electrocardiograms had revealed no conduction abnormalities (Fig. 2A).
(A) Chest X-ray after pacemaker insertion. The pacemaker lead is shown at the apex of right ventricle in the X-ray (arrow), which indicates successful pacemaker insertion. (B) A 12-lead electrocardiogram after insertion of pacemaker. The electrocardiogram shows successful pacing of the pacemaker.
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F3
A permanent VDD pacemaker was successfully inserted (Fig. 3), and the symptoms of dyspnea and general weakness completely disappeared.