Could it be that the AV conduction time increases gradually throughout the ECG? As the conducted PR increases from 300ms at the start to 420ms at the end, the non-conducted P becomes more visible. Maybe AT + 2:1 block at the upper AVN and a very long Wenckebach sequence developing in the lower AVN.
08.01.2025 19:50 — 👍 2 🔁 0 💬 1 📌 0
This is really too difficult for me but I see at least 3 different LBBB QRS morphologies in a repetitive sequence (but with occasional variation) and I can only suggest a type of Wenckebach block in the LBB involving different minor sub-branches of the bundle. Just a guess, though.
24.11.2024 19:04 — 👍 1 🔁 0 💬 0 📌 0
I've got a very similar one in my collection!
20.11.2024 10:22 — 👍 1 🔁 0 💬 1 📌 0
Could this be 3:2 Wenckebach LBBB?
19.11.2024 18:06 — 👍 1 🔁 0 💬 0 📌 0
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