A trifascicular block

[2learn]

My last ECG showed I have a trifascicular block. Doc didn't explain and first time I'd heard of it read abit about it and not pleasant.i have a pacemaker so that helps. Anyone know anything about it and how it affects AFib

[BobD Volunteer]

Sounds like you won't need AV node ablation then.

[2learn in reply to BobD]

sorry Bob don't understand that comment. Had an ablation march last year.

[CDreamer in reply to 2learn]

I’m afraid you haven’t really given us complete information. Was it an ablation for AV node or a PV ablation? If it was a PV ablation to stop AF then what was the outcome?

An AV node ablation makes you entirely dependant upon pacemaker anyway so whatever the heart block wouldn’t really make much difference to you as it will be the pacemaker which controls your heart beat as the electrical signals would not be getting through after the AV node has been destroyed. AV node ablation is a last resort treatment for very symptomatic AF however it doesn’t always stop the AF - just isolates the ventricles which are controlled by the pacemaker so you have a steady pulse but may still feel palpitations. Hope that makes sense.

[2learn in reply to CDreamer]

On my consultants letter March 2022 it says catheter ablation of mitral valve re- entry left atrial tachycardia, so don't know whether it was AV or PV. Ablation was successful. But the trifascicular block has not been mentioned by any cardiologist until my most recent review in March 2023. It has not been discussed or explained to me but was a one liner in a letter to my GP. Thats as much as I know.

[CDreamer in reply to 2learn]

That’s not really very good practice and I would ask, in writing, for an explanation and say that it has worried you.

[2learn in reply to CDreamer]

Thanks, I have emailed the consultant so hopefully I'll get a reply.