The development of a high grade AV-block is a frequent complication associated with transcatheter aortic valve implantation (TAVI). Patients who were suitable for TAVI will be enrolled in this study. The HV-interval will be determined before and immediately after implantation. The hypothesis is that a prolonged HV-interval is associated with a high rate of complete AV-block following TAVI.
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Determination of HV interval
Timeframe: Changes in Baseline to 24 hours