VEB: the Compensatory Pause
Report:
Sinus rhythm 62/min
First degree AV block (PR 0.22”)
VEB
Left bundle branch block
Comment:
The P waves are sharply etched in V1 and the one blocked by the VEB is seen quite clearly. There is no need to measure the compensatory pause containing it but, if measured, it would be seen to be (fully) compensatory. In most cases, the blocked P wave is buried and invisible.
The pause itself is, however, as Schamroth put it, “a feeble reed” to lean on in diagnosing VEBs.
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