# ECG challenge: unexpected shift in QRS morphology

**Authors:** Pietro Redigolo, Paolo Zappulla, Davide Capodanno

PMC · DOI: 10.1093/ehjcr/ytag157 · European Heart Journal. Case Reports · 2026-03-06

## Full-text entities

- **Diseases:** chronic kidney disease (MESH:D051436), intraventricular conduction (MESH:D006345), hypertension (MESH:D006973), heart failure (MESH:D006333), atrial fibrillation (MESH:D001281), sudden cardiac death (MESH:D016757), ischemic (MESH:D002545), AV nodal disease (MESH:D013611), myocardial ischaemia (MESH:D009202), ventricular standstill (MESH:C563984), coronary artery disease (MESH:D003324), ABBB (MESH:D002037), palpitations (MESH:D006331), conduction system disease (MESH:D000075224), systolic (MESH:D000092244), type 2 diabetes mellitus (MESH:D003924), infra (MESH:C566543), AV block (MESH:D054537)
- **Chemicals:** implantable (-)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Full text

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## References

3 references — full list in the complete paper: https://tomesphere.com/paper/PMC13008286/full.md

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Source: https://tomesphere.com/paper/PMC13008286