Bi- and trifascicular bundle branch blocks.A. Bifascicular block.RBBB + LAHB and normal PQ time. Voltage criteria for LVH are also fulfilled.B. Trifascicular block. RBBB + LAHB and long PQ time (0.26 sec.). A trifascicular block forebodes a complete AV block.
Picture: Duodecim Medical Publications Ltd
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