a-v dissociation
DESCRIPTION
A-V DISSOCIATION. DUE TO DEFAULT. A-V DISSOCIATION. - PowerPoint PPT PresentationTRANSCRIPT
A-V DISSOCIATION
DUE TO DEFAULT
“A-V DISSOCIATION REPRESENTS THE CIRCUMSTANCE IN WHICH THE ATRIA ARE ACITIVATED BY ONE PACEMAKER AND THE VENTRICLES BY ANOTHER—THE TWO PACEMAKERS COMPETING FOR CONTROL OF VENTRICULA R ACTIVATION. IN THE RESULTING DUEL, THE ONE WITH THE FASTEST RATE WILL DOMINATE THE OVERALL RHYTHM.”
A-V DISSOCIATION
IF THE SINUS NODE IS LAZY, IT PERMITS AN AUXILLARY PACEMAKERTO SURFACE – “A-V DISSOCIATION BY DEFAULT”