Comment to AV block in a patient with a pacemaker!
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Since the patient has complete AV block and dependent most likely it is a PVC fused with paced complex, other possibility anodal capture although I do not think device is programmed to RV tip. What are your thoughts?
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Agree. In CRT whenever morphology changes you will consider loss of capture in one lead, especially left, but this happens in one beat and is still relatively narrow, so likely a fortuitous PVC fuses with paced beats.
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