As Figure 1 shows, this patient has long-standing 1° AV block -- dating back to 1949. As shown in the diagram in Figure 2, the impulse from the atrium turns around in the AV junction due to dual AV ...
The QRSs are wider than and different from other QRSs, raising a possibility of PVC. But they are clearly preceded by a prematurely occurring P wave and so are PAC with aberrant conduction. Aberrant ...
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