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Progressive cardiac conduction defect

medical condition

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 18, 2025
Entity authorityQ110785267 ↗
Source-derived summary

Progressive cardiac conduction defect (PCCD) is a hereditary cardiac condition marked by a progressive delay in impulse conduction via the His-Purkinje system, resulting in right or left bundle branch block (RBBB or LBBB), syncope, and occasionally sudden cardiac death.

Cause

Diagnosis

When progressive conduction abnormalities in people under 50 with structurally normal hearts are present but skeletal myopathies are absent, progressive cardiac conduction defect is primarily diagnosed, particularly if there is a family history of PCCD.

Treatment

At the moment, implanting an implantable pacemaker is the only proven treatment for PCCD, regardless of the underlying cause.

References

Further reading

Asatryan, Babken; Medeiros-Domingo, Argelia (April 26, 2019). "Molecular and genetic insights into progressive cardiac conduction disease". EP Europace. 21 (8). Oxford University Press (OUP): 1145–1158. doi:10.1093/europace/euz109. ISSN 1099-5129. PMID 31087102.

Editorial summary

Begin with the source’s own compact description: “Progressive cardiac conduction defect” is medical condition. The dossier treats that line as a proposition to test through Progressive, cardiac and conduction, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2019, 1145, 1158, 1093—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Progressive, cardiac and conduction is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “medical condition” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 18, 2025. The linked authority identifier is Q110785267. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2019, 1145, 1158 and 1093.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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  2. Expand the search: follow Progressive cardiac conduction defect primary sources, Progressive cardiac conduction defect archive and Progressive research across catalogues and specialist indexes.
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Source & attribution

This entry incorporates text from “Progressive cardiac conduction defect” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.