What does this research mean for the field?

In multiform ventricular tachycardia without QT prolongation, the arrhythmia is associated with increased dispersion of the effective refractory period in the right ventricle rather than early afterdepolarizations, and normalizes when this dispersion resolves. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

April 1, 1993HeartOpen Access

Monophasic action potentials in a patient with multiform ventricular tachycardia without QT prolongation.

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Structured PICO

Population

1 41-year-old woman with multiform ventricular tachycardia without QT prolongation

Intervention

Recording of monophasic action potentials and measurement of effective refractory periods in the right ventricle

Outcome

Presence of early afterdepolarisations and dispersion of effective refractory periodsurrogate

Multiform ventricular tachycardia without QT prolongation may be driven by dispersion of refractoriness rather than early afterdepolarisations.

Discussion

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Implication

Refractoriness dispersion may underlie multiform VT without QT prolongation; single-case observation leaves mechanism generalizability open.

Cite This Study

Emori et al. (1993) studied this question.

synapsesocial.com/papers/6a1be6f11567d2fc4d5f3b31 https://doi.org/10.1136/hrt.69.4.356

Topics

Ventricular arrhythmias

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Implication

Refractoriness dispersion may underlie multiform VT without QT prolongation; single-case observation leaves mechanism generalizability open.

Monophasic action potentials in a patient with multiform ventricular tachycardia without QT prolongation.

Structured PICO

Discussion

Implication

Cite This Study

Topics

Monophasic action potentials in a patient with multiform ventricular tachycardia without QT prolongation.

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Topics

Also Consider