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Posts tagged “Wide QRS” | NurseNest blog | NurseNest

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Wide QRS

1 article tagged with this topic.

ECG interpretation2026-05-09
Sodium Channel Blocker Toxicity: Wide QRS, Terminal R Wave in aVR, and Alkalinization Teaching for Tox Teams
Map tricyclic and class IA exposure patterns to axis shifts and terminal R prominence so learners connect sodium channel blockade with bicarbonate therapy and seizure precautions.
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