What does this research mean for the field?

Right ventricular tachycardia of the outflow tract type in patients without obvious organic heart disease is associated with a good long-term prognosis and a low incidence of underlying arrhythmogenic right ventricular dysplasia. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This study examines the clinical and arrhythmological characteristics of patients with right ventricular tachycardia and left bundle branch block morphology.

June 1, 1989Pacing and Clinical Electrophysiology

Right Ventricular Tachycardia with Left Bundle Branch Block and Inferior Axis Morphology: Clinical and Arrhythmological Characteristics in 15 Patients

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This study examines the clinical and arrhythmological characteristics of patients with right ventricular tachycardia and left bundle branch block morphology.
Evaluated 15 patients aged 30 on average with right ventricular tachycardia
Classified tachycardia as sustained or nonsustained based on duration
Monitored treatment response and follow-up over 36 months
73% of patients showed normal echo/angiographic findings
20% indicated possible arrhythmogenic right ventricular dysplasia
3-year follow-up revealed VT recurrences in 3 patients after drug withdrawal

Structured PICO

Population

15 patients (mean age 30) presenting with right ventricular tachycardia (VT) of the outflow tract type (left bundle branch block with inferior axis morphology), in the absence of obvious organic heart disease.

Intervention

Antiarrhythmic drug therapy (sotalol, Class IC drugs, or amiodarone) or observation

Outcome

VT recurrence and prognosis at follow-uphard clinical

Patients with right ventricular outflow tract tachycardia without obvious organic heart disease have a good long-term prognosis and low inducibility, suggesting abnormal automaticity as a mechanism.

Discussion

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Implication

May reassure on RVOT VT prognosis; hypothesis-generating for mechanism and requires prospective validation.

Cite This Study

Proclemer et al. (1989) studied this question.

synapsesocial.com/papers/6a163f0cf508cb2fcbc1f029 https://doi.org/10.1111/j.1540-8159.1989.tb05035.x

Topics

Echocardiography

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Right Ventricular Tachycardia with Left Bundle Branch Block and Inferior Axis Morphology: Clinical and Arrhythmological Characteristics in 15 Patients

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Topics

Right Ventricular Tachycardia with Left Bundle Branch Block and Inferior Axis Morphology: Clinical and Arrhythmological Characteristics in 15 Patients

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Topics

Also Consider