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Article

Use of autonomic maneuvers to probe phenotype/genotype discordance in congenital long QT syndrome.

The American journal of cardiology - 15 Nov 2005

Kaufman Elizabeth S, Gorodeski Eiran Z, Dettmer Mary M, Dikshteyn Maria

Abstract excerpt

Patients with congenital long QT syndrome due to potassium channel mutations (LQT1 and LQT2) may elude diagnosis due to normal electrocardiographic findings at rest, yet remain at risk of sudden death during bradycardia or sympathetic stimulation. To test the hypothesis that autonomic maneuvers can unmask long QT syndrome in genetically abnormal subjects with a normal phenotype (QTc < or =450 ms), we exposed 13...

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Identifiers

PMID: 16275192
DOI: 10.1016/j.amjcard.2005.07.046

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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